Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
chai wang » chen wang
shang hai » shang kai, dang hai, chang ha
hong than » hong tan, long thanh, hong hai
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy
yang ka » yang fan, yang yao
ka chai » ka chuan, kim chai

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: yang yang ka chai wang ((yang jin) OR (yang jun)) ((shang hai) OR (hong than)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yang ka chai wang ((yang jin) OR (yang jun)) ((shang hai) or (hong than)) ;~".
• Adding a wildcard symbol may retrieve word variants: yang yang ka chai wang ((yang jin) OR (yang jun)) ((shang hai) or (hong than)) ;*.