Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
cong vanh » cong vinh, cong danh, cong vang
ho chieu » theo chieu, hoc thieu, mot chieu
doanh va » doan va, doanh tai, doanh cua
tuan ban » tuan bang, luan ban, quang ban
toan ban » van ban
va dung » van dung, va duong, vat dung

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

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