Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
toc chieu » toc thieu, doc hieu, hoc thieu
trinh qua » trinh quan, trinh cua, trinh quang
qua dung » quang dung, su dung, qua song
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

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