Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
dan sang » dan yang, dan dana, dan qing
chai dan » chai onn, chai tam, shi dan
hong hai » shang hai, zhong tai, dang hai
nan yan » wang yan, qian yan, dan yang
ka chai » ka chuan, kim chai
nan ya » nana yaa
tan » than

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: ((nan yan) OR (nan ya)) ka chai dan sang minh ((hong hai) OR (hong tan)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nan yan) OR (nan ya)) ka chai dan sang minh ((hong hai) or (hong tan)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((nan yan) OR (nan ya)) ka chai dan sang minh ((hong hai) or (hong tan)) ;*.