Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
yang kang » yang yang, yang guang, yang liang
yang minh » sang minh, yang mind, kang minah
hua gene » a gene, hua ren, hy5 gene
long shu » cong shu, tong shui, long du
gong hui » tong hui, tong shui, wang hui
kang ya » kang ca, wang yan, kong yam

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang kang ya ((hua gene) or (human gene)) yang minh ((long shu) or (gong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang kang ya ((hua gene) OR (human gene)) yang minh ((long shu) OR (gong hui)) ;.
• Adding a wildcard symbol may retrieve word variants: yang kang ya ((hua gene) or (human gene)) yang minh ((long shu) or (gong hui)) ;*.