Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh toan
thanh hang » thanh hoang, tranh hang, thanh hung
cho thuc » choi thuc, cho thue, co thuc
cua hang » cua dang, cua nhung, cua cong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: cho thuc hanh - ((thanh hang) or (thanh thang)) cua hang ((cong dan) OR (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho thuc hanh - ((thanh hang) OR (thanh thang)) cua hang ((cong dan) OR (cong san)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho thuc hanh - ((thanh hang) or (thanh thang)) cua hang ((cong dan) OR (cong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: cho thuc hanh - ((thanh hang) or (thanh thang)) cua hang ((cong dan) OR (cong san)) toan cao*.