Perhaps you should try some spelling variations:
van chat » cao chat
ban hang » ngan hang
va danh » va dinh, va dan, va hanh
cuu tre » cua tre, cau tren, cau treo
ve cham » va cham, ve chat, vu cham
cai ky » cao ky, cac ky, cam ky
di cuu » di cau, di cua, dinh cuu
tu cai » tu cac, tu can, tu bai
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 cai ky nang x hoi. hieu ((ve cham) or (van chat)) soc ((ban hang) or (va danh)) di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cai ky nang x hoi. hieu ((ve cham) OR (van chat)) soc ((ban hang) OR (va danh)) di cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu cai ky nang x hoi. hieu ((ve cham) or (van chat)) soc ((ban hang) or (va danh)) di cuu tre*.