Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
dung cong » dung trong
toc hieu » toc thieu, doc hieu, hoc thieu
hoan cua » hoa cua, toan cua, han cua
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: ((toc hieu) or (hoc hien)) manh - doanh hoan cua dung cong dan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc hieu) OR (hoc hien)) manh - doanh hoan cua dung cong dan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((toc hieu) or (hoc hien)) manh - doanh hoan cua dung cong dan ((toan tap) or (toan ban))*.