Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
canh doanh » hanh doanh, chinh doanh, kinh doanh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
dan thanh » dang thanh, danh thanh, ban thanh
thanh cac » hanh cac, thanh bac, thanh ca
hoc hieu » hoc hien, doc hieu, hoc dieu
cong dan » cong san, cong tan, huong dan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hieu) or (hoc thieu)) manh - ((canh doanh) OR (doanh doanh)) cua thong cong dan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (hoc thieu)) manh - ((canh doanh) OR (doanh doanh)) cua thong cong dan thanh cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) or (hoc thieu)) manh - ((canh doanh) OR (doanh doanh)) cua thong cong dan thanh cac".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) or (hoc thieu)) manh - ((canh doanh) OR (doanh doanh)) cua thong cong dan thanh cac*.