Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
chan fong » chew fong, chan eng, chan kang
fong yang » dong yang, wang yang, yang yang
iii gene » iii rene, iii gender, iii genome
van paul » jean paul, chan paul, lin paul
jan paul » jean paul, john paul
xi gene » i gene

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

• Performing a fuzzy search may retrieve terms with similar spellings: chan fong yang ((xi gene) or (iii gene)) long thanh ((van paul) or (((jan paul) OR (von paul)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chan fong yang ((xi gene) OR (iii gene)) long thanh ((van paul) OR (((jan paul) OR (von paul)))) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chan fong yang ((xi gene) or (iii gene)) long thanh ((van paul) or (((jan paul) OR (von paul)))) ;*".