Hello people. 
I have one problem with ajax search.
I have many ads in my web site with name BMW , Audi, etc...
When i try to search "BMW" and i press find search doesn't work.   
Thanks!

@Bogdan Basarab
Does it work with Bender theme?

Nop, it's not working with bender theme.

I found this topic : https://doc.osclass.org/Fine-Tuning_MySQL_Full-Text_Search_-_Improving_search , but i don't understand what i need to change in sql.

@Bogdan
You should consult it with your hosting provider.

Thank you!

Another problem...i try to use HybridAuth plugin for facebook login because facebook connect doesn't work with this theme , but this plugin give me an error : "Authentification failed. The user has canceled the authentication or the provider refused the connection."

Any idea for this problem?  Thanks.

@Bogdan
You need to check this with plugin author.