Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
tieu xanh » tieu danh, dieu hanh, tien anh
tai nhung » thai nhung, thi nhung, tai hung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than tap » toan tap, han tap, phan 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) or (chieu xanh)) - doanh doanh tai nhung ((cong dan) OR (cong tan)) than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (chieu xanh)) - doanh doanh tai nhung ((cong dan) OR (cong tan)) than tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (chieu xanh)) - doanh doanh tai nhung ((cong dan) OR (cong tan)) than tap".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (chieu xanh)) - doanh doanh tai nhung ((cong dan) OR (cong tan)) than tap*.