Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cua truong » cua trung, xuan truong, cac truong
hanh dung » thanh dung, anh dung, hanh dong
cua trong » cua trung, qua trong, ca trong
ban thanh » ban hanh, ban hang
ho chieu » theo chieu, hoc thieu, doi chieu
ban than » van thanh, ban hang, ban hanh

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 - hanh dung ((cua trong) OR (cua truong)) cong ((ban than) or (ban thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh dung ((cua trong) OR (cua truong)) cong ((ban than) OR (ban thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh dung ((cua trong) OR (cua truong)) cong ((ban than) or (ban thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh dung ((cua trong) OR (cua truong)) cong ((ban than) or (ban thanh)) cau*.