Perhaps you should try some spelling variations:
cua phuong » cuu phuong, cuc phuong, luan phuong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua khong » hua khong, cua thuong, cua cong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
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 tang) OR (hanh mang)) ((cua khong) or (cua phuong)) cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh tang) OR (hanh mang)) ((cua khong) OR (cua phuong)) cong tan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh tang) OR (hanh mang)) ((cua khong) or (cua phuong)) cong tan than cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh tang) OR (hanh mang)) ((cua khong) or (cua phuong)) cong tan than cau*.