Perhaps you should try some spelling variations:
qian yan » qian jun, qian yi
yan yang » yang yang, yao yang, dan yang
hong thi » hong ghi, phuong thi, zhong tai
hong hai » shang hai, zhong tai, dang hai
wong sam » wong sau, wong lai, kong sar
yang xi » yang di, yang yi, yang jui
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: qian yan yang xi gene ((hong thi) OR (hong hai)) wong sam ;~.
• Adding a wildcard symbol may retrieve word variants: qian yan yang xi gene ((hong thi) or (hong hai)) wong sam ;*.