Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh vai » hanh vi, hanh va, hanh tai
sach ty » sach y, sach tu, sach thu
vu sach » vu bach, su sach, vu khach
hieu ve » hieu va, hieu van
xang xa » lang xa, mang xa, ang xa
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
ve cac » va cac, vien cac
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty xang xa hoi. hieu ve cac ((xuc va) or (tuc va)) hanh vai ((cua te) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty xang xa hoi. hieu ve cac ((xuc va) OR (tuc va)) hanh vai ((cua te) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ty xang xa hoi. hieu ve cac ((xuc va) or (tuc va)) hanh vai ((cua te) or (cua viet))*.