Perhaps you should try some spelling variations:
thanh huong » thanh hung, thanh cong, anh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
cuong cong » cong cong, luong cong, duong cong
hieu manh » hieu nganh, dieu hanh, hien hanh
huong mai » thuong mai, phuong mai, huong dan
mai cuong » mai chuong, dai cuong, mai huong
thanh lap » thanh san, phan lap, thanh hai
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh cac, than cua

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

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