Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
trang cua » tranh cua, tang cua, trung cua
cua dung » cua dang, cua dong, qua dung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (hien hanh)) - hanh trang cua dung ((cong tan) OR (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh trang cua dung ((cong tan) OR (cong tac)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (hien hanh)) - hanh trang cua dung ((cong tan) OR (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - hanh trang cua dung ((cong tan) OR (cong tac)) toan cau*.