This is quite simple, providing you know how to write php code. If it is not the case it would be better not to waste your precious time, and just hire some programmer to implement all what you need as paid customization. The best place for such requests is Jobs wanted/offered forum.

Janusz

How i can make my page searchable with my own search field .. i saw many page are using search features , but can any one pls  brief me how i can use my own searchable field in my Page.