Topic: How to make query search display on title?

here image http://s11.postimg.org/4b7bd4uc3/2016_01_07_114353.png

when i search some query, the title on tab doesn't display query i was search there is display default lang

Forum message - blabla..

then how to make title with query search?

Forum message containing post "query was search" - blabla..

where i must edit file?
Please your help punbb big_smile

sorry my BAD english T___T
Have a nice day >.<
(^____^)v