Perhaps you should try some spelling variations:
othman tan » rahman tan
dong hoang » hong hong
dong yang » wang yang, yang yang, dan yang
ka othman » hj othman
zhong tai » hong tan, hong hai, zhong zhi
chang mae » chang ha, changes made
tan yang » dan yang, tan ying, tan yong
yang jin » yang jie, yang jun, ying jin

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) OR (dong hoang)) ka othman tan yang jin ((zhong tai) OR (chang mae)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) OR (dong hoang)) ka othman tan yang jin ((zhong tai) or (chang mae)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((dong yang) OR (dong hoang)) ka othman tan yang jin ((zhong tai) or (chang mae)) ;*.