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 tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
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 tan 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 tan chan dau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((kinh doanh) or (chinh doanh)) cua thong cong tan chan dau*.