Perhaps you should try some spelling variations:
ldang xay » lang xa, luan xay, luong xay
mdang xay » mang xa, manh xay, mong xay
ban hanh » ban hang
dang xay » dang van, van xay
cham xuc » cam xuc, chat xuc, cham soc
so sach » so sanh, bo sach, co sach
xuc ban » duc ban, cuc ban, quoc ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, sach thu
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: so sach ty ((((dang xay) or (mdang xay))) or (ldang xay)) hoi. hieu ve cham xuc ban hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty ((((dang xay) OR (mdang xay))) OR (ldang xay)) hoi. hieu ve cham xuc ban hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach ty ((((dang xay) or (mdang xay))) or (ldang xay)) hoi. hieu ve cham xuc ban hanh vi cua tre*.