Perhaps you should try some spelling variations:
wang yidan » wang yan
zhang minh » zhang ming, zhang xin, sang minh
qiao wang » qian wang, xiao yang
yidan she » jian she
chang min » zhang ming, chang mae, chan ming
zhong zhi » hong ghi, zhong tai
zhang zhi » wang zhi, zhang wei, zhang dai

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 qiao wang yidan she ((zhang minh) OR (chang min)) ((zhong zhi) OR (zhang zhi)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang qiao wang yidan she ((zhang minh) or (chang min)) ((zhong zhi) or (zhang zhi)) ;*.