Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
dong yang » dong hoang, wang yang, yang yang
dong nan » dong bin, dong cao
ya human » a human, das human, 2 human
gene yan » gene bank, ren yan, see yan
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew
yan jiu » yang jie, yang jin, pang jiu
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((dong nan) or (dong yang))) or (dong sin)) ya human gene yan jiu ((wong sau) OR (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong nan) OR (dong yang))) OR (dong sin)) ya human gene yan jiu ((wong sau) OR (wong siu)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dong nan) or (dong yang))) or (dong sin)) ya human gene yan jiu ((wong sau) OR (wong siu)) ;".
• Adding a wildcard symbol may retrieve word variants: ((((dong nan) or (dong yang))) or (dong sin)) ya human gene yan jiu ((wong sau) OR (wong siu)) ;*.