Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thang cua » thong cua, hang cua, tang cua
dang cong » dung cong
toan hanh » toan thanh, toan anh, tran hanh
ho chieu » theo chieu, hoc thieu, doi chieu
than cua » nhan cua, thai cua, ban cua
tan hanh » tan thanh, tang hanh, tran 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 - thanh ((thang cua) OR (than cua)) dang cong ((tan hanh) or (toan hanh)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((thang cua) OR (than cua)) dang cong ((tan hanh) OR (toan hanh)) cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((thang cua) OR (than cua)) dang cong ((tan hanh) or (toan hanh)) cac".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((thang cua) OR (than cua)) dang cong ((tan hanh) or (toan hanh)) cac*.