Filter & Admin Search Don't work

“On the back end, when I try to type a product’s name on the products page of woocommerce, I get nothing found. ”

means, when I try to search a product on the search bar of woocommerce.

I’m not using woo commerce but I have the same problem with a new update to 4.2.2 and the post filter and post searching on the admin screens aren’t working.

Post searches return an empty result set and post filtering just returns the default result set.

I found that the Search functionality was related to the Search Everything plugin.
When disabled, post searches worked fine but post filtering still failed to have any effect.
I reviewed the Search Everything settings and found that it appeared that settings just needed updating because after that, searching worked fine. Still trying to resolve the filtering.

I’ve disabled all plugins and still can’t filter by post category.

Same problem for me! No problems on frontend side, but when i try to search a product on woocommerce backend, i have no result. In add, after any editing on pages, products etc… the backend returns always on the articles list. Very annoying!!

My configuration: WP 4.2.2 – WC 2.3.9 – YITH Boemia Theme and these plugins:

AfterShip – WooCommerce Tracking
Anti-spam
Notifica Cookie
Google XML Sitemaps
HC Custom WP-Admin URL
Easy HTTPS (SSL) Redirection
Limit Login Attempts
MailChimp for WordPress Lite
Social Login
P3 (Plugin Performance Profiler)
Remove query strings from static resources
Shareaholic
SZ – Google
TinyMCE Advanced
UpdraftPlus – Backup/Restore
WooCommerce – Store Exporter
WooCommerce Payment Fees Lite
Woocommerce Poor Guys Swiss Knife
WooCommerce Product Gift Wrap
WP-Optimize
WP Smush
YITH WooCommerce Ajax Navigation
YITH WooCommerce Ajax Search
YITH Woocommerce Compare
YITH WooCommerce Mailchimp
YITH WooCommerce Wishlist

So, in the off chance that someone else has a similar situation… here’s what ended up solving this issue for us.

We have several categories that should never appear in search results so, we had the following search filter in our custom theme functions file.

function SearchFilter($query) {
    if ($query->is_search) {
        $query->set('cat','-1572,-1353,-1555,-689');
    }
    return $query;
}
add_filter('pre_get_posts','SearchFilter');

That worked fine until we upgraded to WP 4.2.2. WP was several versions out of date at time of update, so the change may not have been in 4.2.2 but somewhere along the line something changed making this filter problematic on the back end. So, we added another condition to our if statement

&& !is_admin()

and that solved the problem for us.

Oh, and BTW, we also noticed that for some reason… this filter function changed the admin category filter form method from POST to GET. That was our first clue to solving this.

@nickoonce, your solution works.
After I added !is_admin() in my SearchFilter() function, it started working.

Thanks for sharing!