Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
tuan hua » tuan vu, yuan hui
wei yang » pei yang, wei wang, wei yang's
jie song » jin song, kim song, li song
jae song » jae yong, jae young, a song
tan hua » wang hua, tan chia, tan puay

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 guang)) ((tan hua) or (tuan hua)) wei yang ((jie song) OR (jae song)) hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang guang)) ((tan hua) OR (tuan hua)) wei yang ((jie song) OR (jae song)) hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (yang guang)) ((tan hua) or (tuan hua)) wei yang ((jie song) OR (jae song)) hui ;*".