Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
toc chieu » toc thieu, doc hieu, hoc thieu
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
than cap » khan cap, thanh lap, thanh cac

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 xanh - ((hanh tranh) OR (hanh trinh)) qua dung cong san ((toan cau) OR (than cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu xanh - ((hanh tranh) OR (hanh trinh)) qua dung cong san ((toan cau) or (than cap))~".
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - ((hanh tranh) OR (hanh trinh)) qua dung cong san ((toan cau) or (than cap))*.