Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
yan wang » yuan wang, yang yang, qian wang
tan chia » than china, can china, dan china
ren han » ren yan
han min » han men, kan min, chan ming
hong ng » hong kong, hong jong, hong hong
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: yan wang ((tan chia) OR (tuan china)) ren han min ((hong ng) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yan wang ((tan chia) OR (tuan china)) ren han min ((hong ng) OR (hong yu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yan wang ((tan chia) OR (tuan china)) ren han min ((hong ng) or (hong yu)) ;*".