Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung nhung » dung chung, dung nhan, dung ung
ban thanh » ban hanh
ho chieu » theo chieu, hoc thieu, doi chieu
tang qua » tang quan, tang cua, tang quang
tang quy » tan quy, nang quy, tang quan
ban hang » ngan hang

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 - anh ((tang qua) OR (tang quy)) dung nhung ((ban thanh) or (ban hang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - anh ((tang qua) OR (tang quy)) dung nhung ((ban thanh) OR (ban hang)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - anh ((tang qua) OR (tang quy)) dung nhung ((ban thanh) or (ban hang)) cau*".