Perhaps you should try some spelling variations:
tong hang » kong hang, yong phang, tong king
yan yang » yang yang, yao yang, dan yang
tan yang » dan yang, tan ying, tan yong
long han » long chain, long thanh, long haul
lan cho » san cho, tan chor
li lan » lai lan, li lin, li nan
wang » wing, wan, lang

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: wang ((yan yang) OR (tan yang)) li lan cho ((tong hang) OR (long han)) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) or (tan yang)) li lan cho ((tong hang) OR (long han)) shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yang) or (tan yang)) li lan cho ((tong hang) OR (long han)) shu ;*.