Perhaps you should try some spelling variations:
guan yuan » gan guan, quan guan, yan yuan
yuan gain » run gain, yuan kai, yuan lin
gain yang » dan yang, daun yang, tan yang
yang july » yang judy, yang jui, yang jun
yan guan » gan guan, yan yuan, yang guang
kang hay » eang hay, dang hai, kang tae
kang han » kang chen, kong hang, zhang han
wan yan » wang yan, nan yan, wai yan

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: wan yan guan yuan gain yang july ((kang hay) OR (kang han)) ;~.
• Adding a wildcard symbol may retrieve word variants: wan yan guan yuan gain yang july ((kang hay) or (kang han)) ;*.