Google Site Search for Russian language - chirilic alphabet

I have a Russian language site: with articles on different categories.

I want to implement a simple php search engine for my website on pages like thji son the top left corner:

I’ve read about an oprion to intergrate Google Sote Search.
Is this a googd optionas.
Can be implemented on chirilic - russian alphabet?

Note: I keep all texts (title, body articles) on a mysql database.

I need some code suggestions, to make this script run fast.

Thanks all,

Yes, Google Site Search is multilingual so will work with everything.
You can specify the language on setup.

Google site search will work woth chirilic alphabet - russian language?

You could always use Google site search to do this, then it will search pages cached on your site in the index, or be able to extend to the www.