Perhaps you should try some spelling variations:
tieu sang » chieu sang, tieu dung, tinh sang
tiem nang » tin nang, tich nang
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu sang) OR (tiem nang)) - canh tranh ((cua dung) or (cua dong)) cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sang) OR (tiem nang)) - canh tranh ((cua dung) OR (cua dong)) cong tan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sang) OR (tiem nang)) - canh tranh ((cua dung) or (cua dong)) cong tan than cap".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sang) OR (tiem nang)) - canh tranh ((cua dung) or (cua dong)) cong tan than cap*.