Perhaps you should try some spelling variations:
zhang ming » zhang xin
wang yang » wang yan, wang liang, wang yanling
yang yan » yang yang, wang yan, yang fan
hua rene » hua ren, juan rene
tang min » chang min, sang minh, yang mind
hong ghi » zhong zhi, hong g
hong hai » shang hai, zhong tai, dang hai
yan hua » tan hua, ya hua, wang hua

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 yan hua rene ((tang min) OR (zhang ming)) ((hong ghi) OR (hong hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yan hua rene ((tang min) or (zhang ming)) ((hong ghi) OR (hong hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang yan hua rene ((tang min) or (zhang ming)) ((hong ghi) OR (hong hai)) ;*.