Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
yang wang » yan wang, yang guang, yang liang
yuan ting » yuan ming, huang ting, yuan kang
hua west » a west, hua wei, out west
yang lin » yang jin, yang li, yang liang
wang lin » wang li, wang qin, wang limin
wong yue » wang yue, hong yu
yan tin » yang jin

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 wang hua west ((((yan tin) OR (yuan ting))) OR (((yang lin) OR (wang lin)))) wong yue ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yang wang hua west ((((yan tin) OR (yuan ting))) or (((yang lin) or (wang lin)))) wong yue ;~".
• Adding a wildcard symbol may retrieve word variants: yang yang wang hua west ((((yan tin) OR (yuan ting))) or (((yang lin) or (wang lin)))) wong yue ;*.