Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan nhung » qua nhung, cua nhung, luan chung
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu sang) OR (chieu xanh)) - hanh trinh quan nhung ((cong tan) OR (cong tac)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((chieu sang) OR (chieu xanh)) - hanh trinh quan nhung ((cong tan) or (cong tac)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: toc ((chieu sang) OR (chieu xanh)) - hanh trinh quan nhung ((cong tan) or (cong tac)) toan cau*.