Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
long trip » longer trip, long tail, longer trips
china als » china aus, china aids, china a
yang jui » yang di, yang yi
wang hui » wang hua, wang zhi, wang wei
yang xi » yang di, yang yi
judy » july

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 wuhan china als ((((yang jui) OR (yang xi))) OR (yang judy)) wang hui ;~.
• Adding a wildcard symbol may retrieve word variants: long trip wuhan china als ((((yang jui) or (yang xi))) or (yang judy)) wang hui ;*.