Perhaps you should try some spelling variations:
wang ning » wang jing, wang liang, wang yang
chia rene » chia wen, china ren
china why » china who, china what, china won
ning sun » nina sun, wing sun, liang sun
yang yao » yang yang, wang yan, yang fan
zhong yu » hong yu, zheng yu, chong yun
yang yi » yang di, yang xi, yang jui

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 ning sun ((chia rene) OR (china why)) ((yang yao) OR (yang yi)) zhong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ning sun ((chia rene) or (china why)) ((yang yao) OR (yang yi)) zhong yu ;~".
• Adding a wildcard symbol may retrieve word variants: wang ning sun ((chia rene) or (china why)) ((yang yao) OR (yang yi)) zhong yu ;*.