Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
nhung don » nhung van, nhung bo
hang cong » dang cong, hang nong, bang cong
vanh tuan » anh tuan, van tuan, manh tuan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (theo tieu)) tinh - hanh doanh cua ((nhung don) or (hang cong)) vanh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) tinh - hanh doanh cua ((nhung don) OR (hang cong)) vanh tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) tinh - hanh doanh cua ((nhung don) or (hang cong)) vanh tuan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo tieu)) tinh - hanh doanh cua ((nhung don) or (hang cong)) vanh tuan ban*.