Perhaps you should try some spelling variations:
danh dai » danh dau, danh di, danh sai
sach thu » sach thue, sach thieu, sach tham
sach ty » sach y, sach tu, xach tay
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
ve cai » va cai, ve cac, ve tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sach thu)) nang xa hoi. hieu ((ve cai) or (va cam)) luc va danh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach thu)) nang xa hoi. hieu ((ve cai) OR (va cam)) luc va danh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach thu)) nang xa hoi. hieu ((ve cai) or (va cam)) luc va danh dai cua tre*.