Perhaps you should try some spelling variations:
doanh luan » doanh nhan
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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 - canh ((doanh cua) OR (doanh luan)) hang cong dan phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - canh ((doanh cua) OR (doanh luan)) hang cong dan phan dau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh ((doanh cua) OR (doanh luan)) hang cong dan phan dau*.