Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
hanh doanh » hang doanh, chinh doanh, kinh doanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
luan tong » luan tuong, luan cong, luan dong
tong cong » trong cong, cong cong, dung cong
toc hieu » toc thieu, doc hieu, hoc thieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "toc hieu manh - ((hanh doanh) OR (doanh doanh)) luan tong cong tan toan cau~".
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - ((hanh doanh) OR (doanh doanh)) luan tong cong tan toan cau*.