Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, thanh chau
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.

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