Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hanh doanh » hang doanh, doanh doanh, kinh doanh
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
doc hieu » hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan cho » danh cho, san cho, dac cho
cho tu » choi tu, chon tu, cho cu

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

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