Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
nong dan » cong dan, nong san, nguong dan
cong tan » cong tac, cong san, cong thanh
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 cua dang ((nong dan) or (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang cua dang ((nong dan) OR (cong tan)) than cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang cua dang ((nong dan) or (cong tan)) than cau*.