Perhaps you should try some spelling variations:
wang tuan » wang yuhan, wang hua, wang yan
wang xuan » wang xiuyan, wang xueman, wang yuhan
yang john » young john, king john, yang jin
dan yang » daun yang, tan yang, wang yang
wong sam » wong sau, wong lai, von sam
hua dan » hua ban
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((wang tuan) OR (wang xuan)) hua dan yang john ((wong sam) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((wang tuan) OR (wang xuan)) hua dan yang john ((wong sam) OR (kong sar)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((wang tuan) OR (wang xuan)) hua dan yang john ((wong sam) or (kong sar)) ;".
• Adding a wildcard symbol may retrieve word variants: wang ((wang tuan) OR (wang xuan)) hua dan yang john ((wong sam) or (kong sar)) ;*.