Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
qian wang » yiqian wang, qian rong, qian yan
gene long » gene clone, gene one
yan wang » yuan wang, yang yang, yan liang
hua gene » human gene, a gene, hua ren
mung sau » aung san
wong sau » wong sam, wong siu, wong shiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan ((yan wang) OR (qian wang)) hua gene long thanh ((mung sau) or (wong sau)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((yan wang) OR (qian wang)) hua gene long thanh ((mung sau) OR (wong sau)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan ((yan wang) OR (qian wang)) hua gene long thanh ((mung sau) or (wong sau)) ;".
• Adding a wildcard symbol may retrieve word variants: wan ((yan wang) OR (qian wang)) hua gene long thanh ((mung sau) or (wong sau)) ;*.