Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
doanh ca » doanh cua, doanh cao, doanh va
nang mai » nang ma, nang tai, lang mai
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach y, sach tu, sach thu
mai hoi » mai khoi, dai hoi, lai hoi
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
sac ky » cac ky, sai ky
ca cua » co cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((((sach dung) or (sach ty))) or (sac ky)) nang mai hoi. hieu ve cac xuc van doanh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((((sach dung) OR (sach ty))) OR (sac ky)) nang mai hoi. hieu ve cac xuc van doanh ca cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((((sach dung) or (sach ty))) or (sac ky)) nang mai hoi. hieu ve cac xuc van doanh ca cua tre*.