[Plugin: WordPress SEO by Yoast] Why my pages are not indexing the right Post Title? Please Help

My site’s URL is: https://www.techihunt.com
Description :

I have a new website https://www.techihunt.com and I have already posted unique contents on it and already indexed some on google but the problem is the Post Title of each post are not showing right.. Instead it shows my Meta Website Title or my meta title .

For Example i try to search my indexed pages on google like this: “site:https://www.techihunt.com” all indexed pages are only showing

Techihunt – Latest Technology and Gadget Reviews
https://www.techihunt.com/nokia-c5-review/ – Isalin ang pahinang ito
19 Dec 2011 – Techihunt is a technology news and gadget reviews blog based in the Philippines. It covers a wide range of topics including mobile phones, …

It doesn’t show the Title Post and the 1st sentences of the post. PLEASE HELP ME GUYS… ??

https://www.ads-software.com/extend/plugins/wordpress-seo/