Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, dieu hanh, tien anh
tai nhung » thai nhung, thi nhung, tai hung
cong dan » cong san, cong tan, huong dan
than tap » toan tap, phan tap, than cap
han tap » han tai, toan tap, nhan tai

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 ((than tap) OR (han 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 ((than tap) OR (han 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 ((than tap) OR (han tap))".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (chieu xanh)) - doanh doanh tai nhung cong dan ((than tap) OR (han tap))*.