Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong luan » truong quan, truong luat, truong quang
chieu xanh » chieu sach, chieu sang, chieu tinh
luan chung » luan chinh
hieu manh » hieu nganh, dieu hanh, hien hanh
cong van » cong vang, song van, cong tan
cong san » cong tac
dong cau » cong cau, dong cac, dong mau

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)) - hanh truong luan chung ((cong van) OR (cong san)) dong cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu xanh)) - hanh truong luan chung ((cong van) OR (cong san)) dong cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (chieu xanh)) - hanh truong luan chung ((cong van) OR (cong san)) dong cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu xanh)) - hanh truong luan chung ((cong van) OR (cong san)) dong cau*.