Perhaps you should try some spelling variations:
danh lai » danh sai, gianh lai, dinh lam
chat doc » chat hoc, chau doc, thuat doc
cham doc » cham soc, chau doc, pham duc
so sach » so sanh, bo sach, co sach
lai cua » dai cua, hai cua, lai chau
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y ((nang xa) OR (nang ma)) hoi. hieu ve ((cham doc) or (chat doc)) va danh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y ((nang xa) OR (nang ma)) hoi. hieu ve ((cham doc) OR (chat doc)) va danh lai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y ((nang xa) OR (nang ma)) hoi. hieu ve ((cham doc) or (chat doc)) va danh lai cua tre*".