Perhaps you should try some spelling variations:
kang minah » sang minh
human gene » human genome, human gender, human bone
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
y.c human » d.c human, 3.2 human, 2.1 human
gene kang » gene bank
kong sara » kong sar
long shu » cong shu, tong shui, long du

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 yang) OR (wang yang)) y.c human gene kang minah ((long shu) OR (kong sara)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (wang yang)) y.c human gene kang minah ((long shu) or (kong sara)) ;*.