Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
kong sara » kong sar
tan chia » tuan china, can china, dan china
yang jun » yang jui, pang jun, yang jin
wong sau » wong sam, wong siu, wong shiu
yan jiu » yang jie, yang jin, pang jiu
man » main, many, mean

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

• Performing a fuzzy search may retrieve terms with similar spellings: man houng ((tan chia) OR (than china)) ban ((yan jiu) or (yang jun)) ((wong sau) or (kong sara)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: man houng ((tan chia) OR (than china)) ban ((yan jiu) OR (yang jun)) ((wong sau) OR (kong sara)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "man houng ((tan chia) OR (than china)) ban ((yan jiu) or (yang jun)) ((wong sau) or (kong sara)) ;".
• Adding a wildcard symbol may retrieve word variants: man houng ((tan chia) OR (than china)) ban ((yan jiu) or (yang jun)) ((wong sau) or (kong sara)) ;*.