Perhaps you should try some spelling variations:
ban thanh » ban hang
cau tren » cu tren, dau tren, ca tren
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
cham xuc » cam xuc, chat xuc, cham soc
van cham » van chat, van tham, va cham
ty nang » ky nang, ty xang, ty hang
su sach » so sach, vu sach
vai cau » va cau, van cau, vai cac
tu sach » thu sach, te sach, tu cach
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 (su sach)) ty nang x hoi. hieu van cham xuc ((ban hanh) or (ban thanh)) vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ty nang x hoi. hieu van cham xuc ((ban hanh) OR (ban thanh)) vai cau tren.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ty nang x hoi. hieu van cham xuc ((ban hanh) or (ban thanh)) vai cau tren*.