Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
china who » china why, china what, china won
yang zhao » yang yizhao, yang yao, feng zhao
zhao wong » zhao hong, zhao feng, zhao jing
yang sun » yang jun, yang yun, gang sung
chia wen » china won, ching wen, asia wen
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: wang yang sun ((chia wen) OR (china who)) yang zhao wong yue ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang sun ((chia wen) or (china who)) yang zhao wong yue ;*.