Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, manh hung
thanh tung » thanh cong
quang dung » quang trung, ung dung, cuong dung
hoc chieu » hoc thieu, ho chieu, hoc hien
trong ban » trong san, trong tan, trong quan
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - ((manh trung) or (thanh tung)) quang dung trong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((manh trung) OR (thanh tung)) quang dung trong ban than cap.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((manh trung) or (thanh tung)) quang dung trong ban than cap*.