Perhaps you should try some spelling variations:
ban hang » ngan hang
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
su sach » so sach, vu sach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ty nang) or (ty hang)) xa hoi. hieu ve cham xuc ((van hanh) or (ban hang)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ty hang)) xa hoi. hieu ve cham xuc ((van hanh) OR (ban hang)) vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) or (ty hang)) xa hoi. hieu ve cham xuc ((van hanh) or (ban hang)) vi cuu tre*.