Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua thong » cua thuong, cua khong, cua tong
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tac » cong ty
tac chan » tac chuan, tac can, tac chon
chan dau » phan dau, han dau, chan doan

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 manh - ((kinh doanh) or (chinh doanh)) cua thong cong tac chan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((kinh doanh) OR (chinh doanh)) cua thong cong tac chan dau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((kinh doanh) or (chinh doanh)) cua thong cong tac chan dau*.