Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung cua nhung ((cong tan) OR (cong tac)) ((than cap) OR (khan cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh trung cua nhung ((cong tan) or (cong tac)) ((than cap) OR (khan cap))~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung cua nhung ((cong tan) or (cong tac)) ((than cap) OR (khan cap))*.