any plugins that match what i need?

I’ve been looking for a while but i can’t find 2 plugins that do what im looking for. I would think this would be something already made but here is what im looking for.

1. A plugin that lets users include or exclude certain tags from the search results. So if someone searches “trees” but doesn’t want to see any posts with the tag “red” they can choose to ignore those and only show posts without the “red” tag.

2. A plugin that lets users add approved tags to a post. So if a poster tags a post “red” and “tree” but a user sees that there is “green” they can add that tag if its in a list.