Perhaps you should try some spelling variations:
yong liang » yang liang, song ligang, wang liang
wang yong » wang yang, wang hyoung, wang yan
hua gene » human gene, hua ren, hy5 gene
tang min » chang min, sang minh, yang mind
hong hai » shang hai, zhong tai, dang hai
hong ghi » zhong zhi, hong g
a gene » a genre, a gender, a gentle

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: wang yong liang ((hua gene) OR (a gene)) tang min ((hong hai) OR (hong ghi)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong liang ((hua gene) OR (a gene)) tang min ((hong hai) or (hong ghi)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong liang ((hua gene) OR (a gene)) tang min ((hong hai) or (hong ghi)) ;*.