Perhaps you should try some spelling variations:
wang zheng » tang zheng, wang zhenpo, fang sheng
china yang » china ying, china wang, china chang
wang liang » wang yang
liang hong » xiang zhong, liang ying, quang hong
yuan wang » yan wang, yuan kang, yuan chang
kong saur » kong sar, kong siu, kong your
han yuan » yan yuan, fang yuan, whan yun

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang zheng) or (china yang)) han yuan wang liang hong kong saur ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang zheng) OR (china yang)) han yuan wang liang hong kong saur ;*.