Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
va thanh » gia thanh, ban thanh, va tinh
luu hanh » huu han
te sach » toc sach
cu tren » tu tren, dua tren
tu hanh » du hanh, lu hanh, thuc hanh
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
tai cu » tai cuc, tai cua, tai co
ve cam » ve cham, va cam, ve cai

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