Perhaps you should try some spelling variations:
yang fan » zhang fan, yang dean, yang yang
yang hua » wang hua, yang hui, yang jui
ying hua » ming hua, wang hua, ying zhu
min tong » min hong, xin tong, minh cong
tong hui » wang hui
ren han » ren yan
han min » han men, kan min, chan ming

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang fan) or (wang yan)) ((yang hua) OR (ying hua)) ren han min tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang fan) OR (wang yan)) ((yang hua) OR (ying hua)) ren han min tong hui ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang fan) or (wang yan)) ((yang hua) OR (ying hua)) ren han min tong hui ;".
• Adding a wildcard symbol may retrieve word variants: ((yang fan) or (wang yan)) ((yang hua) OR (ying hua)) ren han min tong hui ;*.