Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
cua hang » cua dang, cua cong, cua ban
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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 ((cua hang) OR (cua nhung)) ((cong dan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang ((cua hang) OR (cua nhung)) ((cong dan) OR (cong san)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh tang ((cua hang) OR (cua nhung)) ((cong dan) or (cong san)) toan cao*".