Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
tham xuc » tham nuoc, tham thuc, pham duc
ban hang » ngan hang
vai cau » va cau, van cau, vai cac
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
vu sach » vu bach, su sach, vu khach
va tham » van tham, va cham, va thanh
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (vu sach)) ty nang x hoi. lieu va tham xuc ((ban hanh) or (ban hang)) vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (vu sach)) ty nang x hoi. lieu va tham xuc ((ban hanh) OR (ban hang)) vai cau tren.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu sach)) ty nang x hoi. lieu va tham xuc ((ban hanh) or (ban hang)) vai cau tren*.