Perhaps you should try some spelling variations:
te sach » toc sach
va cham » va chat, va tham
hanh di » hanh de, hang di, danh di
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
hang xa » hoang xa, hang va, hang ca
ty hang » ly hang, ty xang, thi hang
cuu tre » cua tre, cau tren, cau treo
soc va » hoc va, loc va, doc va
cua te » cua tu

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: te sach ty hang xa hoi. hieu va cham soc va ((hanh di) OR (hanh vi)) ((cua te) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty hang xa hoi. hieu va cham soc va ((hanh di) OR (hanh vi)) ((cua te) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: te sach ty hang xa hoi. hieu va cham soc va ((hanh di) OR (hanh vi)) ((cua te) or (cuu tre))*.