Perhaps you should try some spelling variations:
huang chang » huang cheng, hoong chang, huang yang
huang ying » huang jing, huang ting, huang yang
than china » tuan china, han china, wuhan china
china chen » china shen, china china, china chang
chen wang » chen yang, chen rong, chen ping
yan wong » yan cong, yan wang, y wong
wong yue » wang yue, hong yu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((huang chang) or (huang ying)) than china chen wang yan wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((huang chang) OR (huang ying)) than china chen wang yan wong yue ;.
• Adding a wildcard symbol may retrieve word variants: ((huang chang) or (huang ying)) than china chen wang yan wong yue ;*.