Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thieu khang » chieu khong, thieu quang
thieu sang » chieu sang, thieu quang, hieu lang
truong cua » truong ca, truong quan, truong cao
cua hang » cua dang, cua nhung, cua cong
nong dan » cong dan, nong san, nguong dan
cong tan » cong tac, cong san, cong thanh
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: hoc ((thieu sang) OR (thieu khang)) - thanh truong cua hang ((nong dan) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (thieu khang)) - thanh truong cua hang ((nong dan) OR (cong tan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sang) OR (thieu khang)) - thanh truong cua hang ((nong dan) or (cong tan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) OR (thieu khang)) - thanh truong cua hang ((nong dan) or (cong tan)) toan cao*.