Perhaps you should try some spelling variations:
john song » john wong, john bonn, john ngosong
wang anh » dang anh, wang yang, wang yan
tuan hua » tan hua, tuan vu
yuan hui » yuan fei, jaan hui, yang hui
tan puay » tan hua
tan yang » dan yang, tan ying, tao yang
tan yong » tan hong, tan kong, tan ying
song sar » kong sar, using sar, song pae

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 puay)) ((tan yang) OR (tan yong)) john song sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang anh ((((tuan hua) OR (yuan hui))) OR (tan puay)) ((tan yang) OR (tan yong)) john song sar ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang anh ((((tuan hua) or (yuan hui))) or (tan puay)) ((tan yang) OR (tan yong)) john song sar ;".
• Adding a wildcard symbol may retrieve word variants: wang anh ((((tuan hua) or (yuan hui))) or (tan puay)) ((tan yang) OR (tan yong)) john song sar ;*.