Perhaps you should try some spelling variations:
cuon sach » duong sach, cuoc cach, co sach
vien cac » vien bach, vien dai, vien da
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
ve cham » va cham, ve chat, vu cham
ty sang » ty xang, ty hang, duy sang
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, ma hoa, me hoi
xuc va » duc va, tuc va, luc va
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: cuon sach ty sang ((ma hoi) or (xa hoi)). hieu ((ve cham) or (vien cac)) xuc va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cuon sach ty sang ((ma hoi) OR (xa hoi)). hieu ((ve cham) OR (vien cac)) xuc va hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: cuon sach ty sang ((ma hoi) or (xa hoi)). hieu ((ve cham) or (vien cac)) xuc va hanh vi cuu tre*.