Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doanh ban » doanh bat, doanh van, doanh nhan
huong van » huong dan, duong van, hong van
ho chieu » theo chieu, hoc thieu, doi chieu
lang ban » hang ban, lang van, nang ban
van phan » van phong, van thanh, luan phan
phan cau » phan dau, phan cac, phan tu

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 sach - ((doanh ban) or (lang ban)) ((cua nhung) or (va nhung)) huong van phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((doanh ban) OR (lang ban)) ((cua nhung) OR (va nhung)) huong van phan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((doanh ban) or (lang ban)) ((cua nhung) or (va nhung)) huong van phan cau*.