Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan yang » dan yang, yin yang
chang min » zhang ming, chang mae, chan ming
yang hua » wang hua, yang hui, ying hua
hua ren » hua chen
hong ng » hong jong, hong hong
hong g » hong w, hong 7, hong a
kong » long, pong, ong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan yang hua ren ((chang min) or (anh minh)) ((hong g) or (((hong ng) OR (hong kong)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan yang hua ren ((chang min) OR (anh minh)) ((hong g) OR (((hong ng) OR (hong kong)))) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yidan yang hua ren ((chang min) or (anh minh)) ((hong g) or (((hong ng) OR (hong kong)))) ;*".