Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang, qian wang
iii gender » ii gender, i gender, iii gene
wang yang » wang yan, wang liang, wang yanling
hong thi » hong ghi, phuong thi, zhong tai
hong hai » shang hai, zhong tai, dang hai
ron paul » von paul, robyn paul, robin paul
xi gene » i gene, iii gene

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: yiqian wang yang ((xi gene) OR (iii gender)) ((hong thi) OR (hong hai)) ron paul ;~.
• Adding a wildcard symbol may retrieve word variants: yiqian wang yang ((xi gene) or (iii gender)) ((hong thi) or (hong hai)) ron paul ;*.