Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
anh tang » anh bang, anh dang, anh nang
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
khan cap » than cap, khoan cam, phan cac
khan ap » han ap, khan dam

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