Perhaps you should try some spelling variations:
thanh tung » thanh cong
doi chieu » doi chi, ho chieu, mot chieu
cong cong » cong dong, trong cong, dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
tung cua » trung cua, tuong cua, dung cua
cong ban » cong bang, cong san, cong tan
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doc hieu)) xanh - thanh tung cua cong cong ban ((than cap) OR (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) xanh - thanh tung cua cong cong ban ((than cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (doc hieu)) xanh - thanh tung cua cong cong ban ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doc hieu)) xanh - thanh tung cua cong cong ban ((than cap) OR (khan cap))*.