Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
cua hang » cua dang, cua nhung, cua cong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan ban » van ban

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 - ((anh tang) or (anh dang)) cua hang ((cong dan) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((anh tang) OR (anh dang)) cua hang ((cong dan) OR (cong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((anh tang) or (anh dang)) cua hang ((cong dan) OR (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((anh tang) or (anh dang)) cua hang ((cong dan) OR (cong san)) toan ban*.