Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
manh trung » manh tung, thanh trung, manh hung
thanh tung » thanh cong
quang dung » quang trung, ung dung, cuong dung
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) OR (chinh 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) OR (chinh sach)) - ((manh trung) OR (thanh tung)) quang dung trong ban than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) OR (chinh sach)) - ((manh trung) or (thanh tung)) quang dung trong ban than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) OR (chinh sach)) - ((manh trung) or (thanh tung)) quang dung trong ban than cap*.