Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang
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
kim song » kim young, kim eung
song hui » tong hui, gong hui, sng 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 (wang yan))) or (yang guang)) ((wang hua) or (tuan hua)) wei yang kim song hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang yang) OR (wang yan))) OR (yang guang)) ((wang hua) OR (tuan hua)) wei yang kim song hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang yang) OR (wang yan))) or (yang guang)) ((wang hua) or (tuan hua)) wei yang kim song hui ;*".