Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh tai » thanh hai, thanh toan, doanh tai
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
cu tren » tu tren, dua tren
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
tai cu » tai cuc, tai cua, tai co

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