Perhaps you should try some spelling variations:
china small » china's small, china fall, ghana small
gas china » gas chain, giants china
long man » long han, young man, long span
lang hua » wang hua, wang hui, gang hu
dong hua » wang hua, tong hui, dong hoi
man gas » man das, raman gas
yang yi » yang jui
yang xi » yang jui

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 man gas china small ((((yang yi) OR (yang di))) OR (yang xi)) ((lang hua) OR (dong hua)) ;~.
• Adding a wildcard symbol may retrieve word variants: long man gas china small ((((yang yi) or (yang di))) or (yang xi)) ((lang hua) or (dong hua)) ;*.