Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
sac van » san van, sat van, tac van
cac van » cac dan
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty xang xa hoi. hieu vu cham ((sac van) OR (cac van)) hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty xang xa hoi. hieu vu cham ((sac van) OR (cac van)) hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ty xang xa hoi. hieu vu cham ((sac van) OR (cac van)) hanh vi cua tre*.