Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
gene tang » gene bank
gong gang » hong gang, gong qiang, gongs gong
yang yao » yang yang, wang yan, yang yi
tang min » chang min, sang minh, yang mind
min gong » min hong, minh cong, xian gong
ng 3 » ngs 3, n 3, ag 3
nr 3 » nr 1, nr 2, nr 4

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: ((((yang yao) OR (yang judy))) OR (yang di))((ng 3) OR (nr 3)) human gene tang min gong gang ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang yao) or (yang judy))) or (yang di))((ng 3) OR (nr 3)) human gene tang min gong gang ;~".
• Adding a wildcard symbol may retrieve word variants: ((((yang yao) or (yang judy))) or (yang di))((ng 3) OR (nr 3)) human gene tang min gong gang ;*.