Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
tuan hua » tan hua, tuan vu, yuan hui
wei yang » pei yang, wei wang, wei yang's
yang kim » yong kim, kang kim, hyung kim
song hui » gong hui, sng hui, tong shui
tong hui » wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (yang liang)) ((wang hua) or (tuan hua)) wei yang kim ((song hui) OR (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang liang)) ((wang hua) OR (tuan hua)) wei yang kim ((song hui) OR (tong hui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (yang liang)) ((wang hua) or (tuan hua)) wei yang kim ((song hui) OR (tong hui)) ;*".