Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
long trip » longer trip, long tail, longer trips
china aus » china als, china auf, china aids
yang jui » yang di, yang xi
lang hua » wang hua, wang hui, dong hua
yang yi » yang di, yang xi
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 aus ((((yang jui) OR (yang yi))) OR (yang judy)) lang hua ;~.
• Adding a wildcard symbol may retrieve word variants: long trip wuhan china aus ((((yang jui) or (yang yi))) or (yang judy)) lang hua ;*.