Perhaps you should try some spelling variations:
sach tham » sach nha
danh hai » dang hai, lanh hai, manh hai
sach thu » sach thue, sach thieu, cach thuc
hieu ve » hieu va, hieu van
hai cua » thai cua, dai cua, hoi cua
va danh » va dinh, va dan, va hanh
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach y, sach tu, xach tay
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va

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) OR (sach tham)))) nang xa hoi. hieu ve cac xuc va danh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (((sach thu) OR (sach tham)))) nang xa hoi. hieu ve cac xuc va danh hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (((sach thu) OR (sach tham)))) nang xa hoi. hieu ve cac xuc va danh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (((sach thu) OR (sach tham)))) nang xa hoi. hieu ve cac xuc va danh hai cua tre*.