Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hanh hang » thanh hang, hang hang, hanh han
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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 xanh) or (trieu tinh)) - hanh hang va thong cong dan ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (trieu tinh)) - hanh hang va thong cong dan ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (trieu tinh)) - hanh hang va thong cong dan ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (trieu tinh)) - hanh hang va thong cong dan ((toan cau) OR (toan tap))*.