Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
soc van » hoc van, oc van, soc dan
sac van » cac van, san van, sat van
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
anh ve » hanh ve, anh viet, thanh ve
anh va » hanh va

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 sac ky nang xa hoi. hieu vu cham ((soc van) OR (sac van)) ((anh ve) OR (anh va)) cua viet~.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu vu cham ((soc van) or (sac van)) ((anh ve) or (anh va)) cua viet*.