Perhaps you should try some spelling variations:
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
human gene » human genome, human gender, human bone
song ming » song bing, song min, gong min
hua gene » a gene, hua ren, hy5 gene
sang min » sang minh, song min, tang min
jeong mi » jeong _, jeong su, jeong 情

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 liang ying ((hua gene) OR (human gene)) ((sang min) OR (song ming)) jeong mi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ying ((hua gene) OR (human gene)) ((sang min) or (song ming)) jeong mi ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang ying ((hua gene) OR (human gene)) ((sang min) or (song ming)) jeong mi ;*.