Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
lang wien » langer wien
jie zhang » jia zhang, li zhang, bin zhang
zhang hai » zhang dai, shang hai, zhang han
ran ying » fan ying, tan ying, jin ying
yang wie » yang di, yang xi, yang yi
yang jie » yang jin, yang di, 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 yang) OR (ran ying)) ((yang wie) OR (lang wien)) rene yang jie zhang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (ran ying)) ((yang wie) OR (lang wien)) rene yang jie zhang hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (ran ying)) ((yang wie) OR (lang wien)) rene yang jie zhang hai ;*.