Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang, qian wang
wang yang » wang yan, wang liang, wang yanling
zhong tai » hong tan, zhong zhi
iii gene » iii rene, iii gender, iii genome
hong hai » shang hai, dang hai, hong tan
ron paul » von paul, robyn paul, robin paul
xi gene » i 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 gene)) ((zhong tai) OR (hong hai)) ron paul ;~.
• Adding a wildcard symbol may retrieve word variants: yiqian wang yang ((xi gene) or (iii gene)) ((zhong tai) or (hong hai)) ron paul ;*.