Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang, qian wang
yuan chang » yuan cheng, huang chang, han chang
gene shang » genuine shang
shang nan » shang jin, jiang nan, shang hai
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
nan kong » tan kong
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yiqian wang) or (yuan chang)) yang hua gene shang nan kong sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yiqian wang) OR (yuan chang)) yang hua gene shang nan kong sar ;*.