Perhaps you should try some spelling variations:
wang haiyan » wang huiyao, song haiyan, wang meiyan
tang yuan » fang yuan, wang yuhan, meng yuan
lang dean » yang dean, lane dean
tang yun » yang yun, chang yun, fang yuan
fan yang » dan yang, fan ying, wang yang
tan yang » dan yang, tan ying, tan yong
du lang » du yang, du sang, du langer

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 haiyan ((tang yuan) OR (tang yun)) ((fan yang) OR (tan yang)) du lang dean ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang haiyan ((tang yuan) or (tang yun)) ((fan yang) OR (tan yang)) du lang dean ;~".
• Adding a wildcard symbol may retrieve word variants: wang haiyan ((tang yuan) or (tang yun)) ((fan yang) OR (tan yang)) du lang dean ;*.