Perhaps you should try some spelling variations:
ban hanh » ban hang
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
ve cham » va cham, ve chat, ve chim
vu cham » va cham, vu kham, tu cham
duc ban » duc tan, duc van, dua ban
cua tre » cuu tre, cua triet, dua tren
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: su sach ty xang xa hoi. hieu ((ve cham) or (vu cham)) duc ban hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty xang xa hoi. hieu ((ve cham) OR (vu cham)) duc ban hanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach ty xang xa hoi. hieu ((ve cham) or (vu cham)) duc ban hanh vi ((cua tre) or (cua te))*.