Perhaps you should try some spelling variations:
othman tan » rahman tan
dong yang » dong hoang, wang yang, yang yang
ka othman » hj othman
zhong tai » hong tan, hong hai, zhong zhi
tan kong » tan hong
kong jin » kong jia, song jin, kong john
chang ha » chang mae
yang ka » yang fan, yang yao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ka othman tan kong jin ((zhong tai) OR (chang ha)) ;~.
• Adding a wildcard symbol may retrieve word variants: dong yang ka othman tan kong jin ((zhong tai) or (chang ha)) ;*.