Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
va dinh » van dinh, va kinh, va tinh
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
va danh » va dan, va hanh, dia danh
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
sang xa » song xa, lang xa, sang ma
y sang » _ sang, duy sang
ve cac » va cac, vien cac

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: toc sach y sang xa hoi. hieu ve cac xuc ((va danh) OR (va dinh)) ((vai cua) OR (lai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y sang xa hoi. hieu ve cac xuc ((va danh) OR (va dinh)) ((vai cua) or (lai cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: toc sach y sang xa hoi. hieu ve cac xuc ((va danh) OR (va dinh)) ((vai cua) or (lai cua)) tre*.