Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
trong van » trong cac
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
manh cua » doanh cua
ban cua » ban quan

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

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