Perhaps you should try some spelling variations:
yang john » young john, king john, yang jin
john wong » john song, john bonn
lang yan » wang yan, wang yang, zhang yan
tan chia » tuan china, than china, can china
tuan hua » tuan vu, yuan hui
wong sam » wong sau, wong lai, kong sar
tan hua » wang hua, 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: lang yan ((((tan hua) OR (tan chia))) or (tuan hua)) rene yang john wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan ((((tan hua) OR (tan chia))) OR (tuan hua)) rene yang john wong sam ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan ((((tan hua) OR (tan chia))) or (tuan hua)) rene yang john wong sam ;*".