Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh hang » thanh hang, hang hang, hanh mang
cong cong » cong dong, trong cong, dung cong
nhanh cau » nhanh cay, thanh chau, nhanh ha
hanh han » hanh nhan, hanh phan, hanh san
cong dan » cong san, cong tan, huong dan
ca cau » cua cau, cac cau, can cau

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 hang) or (hanh han)) cua cong cong dan ((nhanh cau) or (ca cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh hang) OR (hanh han)) cua cong cong dan ((nhanh cau) OR (ca cau)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh hang) or (hanh han)) cua cong cong dan ((nhanh cau) or (ca cau))*.