Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
van cam » van nam, van lam, van cau
cam cuc » cam xuc, cham cuu, pham cuc
cuc ban » cua ban, cac ban, cuu ban
tu san » thu san, tu ban, tu can
vi cua » vai cua, di cua
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu cac)) ky nang x hoi. hieu van cam cuc ban hanh vi cua te~.
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (tu cac)) ky nang x hoi. hieu van cam cuc ban hanh vi cua te*.