Perhaps you should try some spelling variations:
sach tham » sach nha
danh va » doanh va, hanh va, anh va
va danh » va dinh, va dan, va hanh
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
sach tu » sach thu, cach tu, sach ty
chu tre » cho tre, chu tri, cuu tre
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
va chu » va che, va cau, va chi
x hoi » o hoi, x ho, 5 hoi

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

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