Perhaps you should try some spelling variations:
ban thanh » ban hang
ban hanh » ban hang
va thanh » gia thanh, va tinh, le thanh
nang mai » nang ma, nang tai, lang mai
te sach » toc sach
cac suc » cao suc, cac nuoc, cac cuoc
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
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: te sach y nang mai hoi. hieu ve cac suc ((ban hanh) or (((va thanh) or (ban thanh)))) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang mai hoi. hieu ve cac suc ((ban hanh) OR (((va thanh) OR (ban thanh)))) di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang mai hoi. hieu ve cac suc ((ban hanh) or (((va thanh) or (ban thanh)))) di cua tre*.