Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
trong van » trong cac
van hoang » van hoan, quan hoang, tran hoang
hoang cau » hang cau, hoang cao, hoang hau
ho chieu » theo chieu, hoc thieu, doi chieu
cap dung » ap dung, cao dung, chan dung

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 - ((thanh trung) or (thanh tung)) cap dung trong van hoang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh trung) OR (thanh tung)) cap dung trong van hoang cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh trung) or (thanh tung)) cap dung trong van hoang cau*.