Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
phuong mai » thuong mai, phuong tay
mai toan » bai toan, mai tan, mai loan
toan ban » van ban
va bang » va nang, va lang, va ban
kinh » dinh, minh

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 sach - ((kinh doanh) or (chinh doanh)) va bang phuong mai toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((kinh doanh) OR (chinh doanh)) va bang phuong mai toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((kinh doanh) or (chinh doanh)) va bang phuong mai toan ban*.