Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
long trip » longer trip, long tail, longer trips
tik china » risk china, silk china, did china
trip tik » trip time, trip twip
yang jui » yang judy, yang xi, yang yi
yang jun » pang jun, yang jin, yang judy
wan hua » wang hua, tan hua, wan musa
fall » all, hall, full

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: long trip tik china fall ((((yang jui) OR (yang di))) OR (yang jun)) ((wan hua) OR (than china)) ;~.
• Adding a wildcard symbol may retrieve word variants: long trip tik china fall ((((yang jui) or (yang di))) or (yang jun)) ((wan hua) or (than china)) ;*.