Perhaps you should try some spelling variations:
theo trieu » theo tieu, theo chieu
thep tieu » theo tieu, thep thiet, thep viet
hanh manh » hanh mang, lanh manh, hoang manh
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
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 trieu) OR (thep tieu)) tinh - hanh manh ((cua dung) or (cua dang)) cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo trieu) OR (thep tieu)) tinh - hanh manh ((cua dung) OR (cua dang)) cong tac than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo trieu) OR (thep tieu)) tinh - hanh manh ((cua dung) or (cua dang)) cong tac than cap".
• Adding a wildcard symbol may retrieve word variants: ((theo trieu) OR (thep tieu)) tinh - hanh manh ((cua dung) or (cua dang)) cong tac than cap*.