Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
huang yang » huang ying, huang chang, wang yang
chia rene » chia wen
china ren » china loren, china real, china reza
wang life » long life, wang li, wang lin
life wong » life long, life among, life work
wong yue » wang yue, hong yu

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: ((yuan chang) OR (huang yang)) tan ((chia rene) OR (china ren)) wang life wong yue ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan chang) or (huang yang)) tan ((chia rene) OR (china ren)) wang life wong yue ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan chang) or (huang yang)) tan ((chia rene) OR (china ren)) wang life wong yue ;*.