Perhaps you should try some spelling variations:
john using » john king
thanh van » thanh dam, thanh vu
daun yang » dan yang, du yang, tan yang
yang john » young john, king john, yang jin
using sat » using sar, using smt, using smart
tuan hua » tuan vu, yuan hui
tan hua » wang hua, tan chia, tan puay
wang » wing, wan, lang

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 ((((tuan hua) or (thanh van))) or (tan hua)) daun yang john using sat ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((((tuan hua) OR (thanh van))) OR (tan hua)) daun yang john using sat ;.
• Adding a wildcard symbol may retrieve word variants: wang yan ((((tuan hua) or (thanh van))) or (tan hua)) daun yang john using sat ;*.