Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
van wuhan » van phan
china all » china fall, china als, china small
yang july » yang judy, yang jui, yang jun
long van » cong van, long han, duong van
lang hua » wang hua, dong hua, gang hu
wang hui » wang hua, wang zhi, wang wei
yang xi » yang yi, 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 van wuhan china all ((((yang di) OR (yang xi))) OR (yang july)) ((lang hua) OR (wang hui)) ;~.
• Adding a wildcard symbol may retrieve word variants: long van wuhan china all ((((yang di) or (yang xi))) or (yang july)) ((lang hua) or (wang hui)) ;*.