Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
cua thong » cua thuong, cua khong, cua tong
cua nong » cua cong, cuu nong, cua dong
cong nam » dong nam, uong nam, thong nam
nam than » nam thanh, nam thang, nam thuan
than cau » toan cau, phan cau, than cap

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