Perhaps you should try some spelling variations:
quan guan » gan guan, quan guo
keong ghi » hong ghi
yan guan » gan guan, yan yuan, yang guang
tan yong » tan hong, tan kong, tan yang
hong hai » shang hai, zhong tai, dang hai
yong di » yang di, dong di, gong di
qu hua » lu hua
li hua » li hui, lu hua

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: ((quan guan) OR (yan guan)) ((qu hua) OR (li hua)) tan yong di ((keong ghi) OR (hong hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((quan guan) or (yan guan)) ((qu hua) or (li hua)) tan yong di ((keong ghi) or (hong hai)) ;*.