Perhaps you should try some spelling variations:
wong john » wrong john, kong john, longo john
guan hua » tuan hua, gui hua, yuan hui
ren wong » ren weng
tan hua » tuan hua, wang hua, tan chia
von sam » von sa, von sap, von scham
wang » wing, wan, lang
sara » stara, saura
sar » 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 yan ((guan hua) OR (tan hua)) ren wong john ((von sam) or (((kong sara) or (kong sar)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((guan hua) OR (tan hua)) ren wong john ((von sam) OR (((kong sara) OR (kong sar)))) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((guan hua) OR (tan hua)) ren wong john ((von sam) or (((kong sara) or (kong sar)))) ;*".