Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, thong cong, hang cong
tieu sach » dien sach, te sach, viet sach
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
trinh tho » trinh thao, trinh theo, trinh thoi
tho cac » cho cac, tho ca, thong cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu sach) OR (chieu sach)) - manh trung cua nhung cong trinh tho cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sach) OR (chieu sach)) - manh trung cua nhung cong trinh tho cac".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) OR (chieu sach)) - manh trung cua nhung cong trinh tho cac*.