Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong thanh
doan cau » doan dau, doan cap, doanh chau
toan cau » toan cao, toan ban, toan tap

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 (anh tang)) cua nhung cong tan ((doan cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh tang) OR (anh tang)) cua nhung cong tan ((doan cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh tang) or (anh tang)) cua nhung cong tan ((doan cau) or (toan cau))*.