Perhaps you should try some spelling variations:
song sara » kong sar
john song » john wong, john bonn, john ngosong
chen yang » chen rong
ren yang » ren yan, dan yang, pei yang
wang anh » dang anh, wang yang, wang yan
tuan hua » tuan vu
yuan hui » yuan fei, jaan hui, yang hui
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: wang anh ((((tuan hua) or (yuan hui))) or (tan hua)) ((ren yang) OR (chen yang)) john song sara ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang anh ((((tuan hua) OR (yuan hui))) OR (tan hua)) ((ren yang) OR (chen yang)) john song sara ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang anh ((((tuan hua) or (yuan hui))) or (tan hua)) ((ren yang) OR (chen yang)) john song sara ;*".