Perhaps you should try some spelling variations:
so sanh » do sanh
sanh ty » sach ty, canh tay
hanh di » hanh vi, hanh de, hang di
san van » tan van, luan van, tran van
sac van » cac van, sat van, tac van
vu cham » vu kham, tu cham, qua cham
va cham » va chat, va tham
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ty lang xa hoi. hieu ((va cham) or (vu cham)) ((sac van) or (san van)) hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ty lang xa hoi. hieu ((va cham) OR (vu cham)) ((sac van) OR (san van)) hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: so sanh ty lang xa hoi. hieu ((va cham) or (vu cham)) ((sac van) or (san van)) hanh di cua tre*.