Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh tai » thanh hai, thanh toan, doanh tai
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
tu hanh » du hanh, lu hanh, thuc hanh
hanh xa » hanh va, hanh ma, hanh xu
xuc ban » duc ban, cuc ban, quoc ban
tai cau » tai cac, tai cao
ve cai » va cai, ve tai, ve cau
ve cac » va cac, vien 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)) xuc ban thanh tai cau tren~.
• 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)) xuc ban thanh tai cau tren.
• Adding a wildcard symbol may retrieve word variants: te sach tu hanh xa hoi. hieu ((ve cai) or (ve cac)) xuc ban thanh tai cau tren*.