Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
hoc thieu » toc thieu, hoc hien
thanh cua » tranh cua, than cua, hanh cua
dung cong » dung trong
doc hieu » toc thieu, hoc hien
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
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: ((hoc thieu) or (doc hieu)) tinh - doanh thanh cua dung cong dan ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doc hieu)) tinh - doanh thanh cua dung cong dan ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doc hieu)) tinh - doanh thanh cua dung cong dan ((toan tap) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doc hieu)) tinh - doanh thanh cua dung cong dan ((toan tap) OR (toan ban))*.