Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
doc hieu » toc thieu, hoc thieu, hoc hien
ho chieu » theo chieu, hoc thieu, doi chieu
hoan cua » hoa cua, toan cua, han cua
dan chan » dan gian, dan ca, van chat
chan tu » phan tu, han tu, chon tu

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 (ho chieu)) xanh - doanh hoan cua ((nhung cong) or (hang cong)) dan chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (ho chieu)) xanh - doanh hoan cua ((nhung cong) OR (hang cong)) dan chan tu.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (ho chieu)) xanh - doanh hoan cua ((nhung cong) or (hang cong)) dan chan tu*.