Perhaps you should try some spelling variations:
ban hanh » ban hang
cham xuc » cam xuc, chat xuc, cham soc
mlang xa » mang xa, lang ha, hoang xa
lang van » dang van, tang van, hoang van
bo sach » co sach, hoc sach
hanh di » hanh vi, hanh de, hang di
xuc ban » duc ban, cuc ban, quoc ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay
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: bo sach ky ((((lang xa) or (mlang xa))) or (lang van)) hoi. hieu ve cham xuc ban hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ky ((((lang xa) OR (mlang xa))) OR (lang van)) hoi. hieu ve cham xuc ban hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: bo sach ky ((((lang xa) or (mlang xa))) or (lang van)) hoi. hieu ve cham xuc ban hanh di cua tre*.