Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, ban danh
vien cac » vien bach, vien dai, vien da
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
tai cuu » tai cuc, tai buu, tai cua
xuc ban » duc ban, cuc ban, quoc ban
cuu tre » cua tre, cau tren, cau treo
hanh xa » hanh va, hanh ma, hanh xu
tu hanh » du hanh, lu hanh, thuc hanh
ve cai » va cai, ve tai, ve cau
ve cac » va cac

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 tu hanh xa hoi. hieu ((ve cai) or (((ve cac) or (vien cac)))) xuc ban doanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu hanh xa hoi. hieu ((ve cai) OR (((ve cac) OR (vien cac)))) xuc ban doanh tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach tu hanh xa hoi. hieu ((ve cai) or (((ve cac) or (vien cac)))) xuc ban doanh tai cuu tre*.