Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
mang qua » mang cua, mang vua, nang quan
qua dung » quang dung, su dung, qua song
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cau » toan cau, phan cau, than cap

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

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