Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
soc van » hoc van, sac van, soc dan
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
oc van » hoc van, luoc van, quoc van
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 va cham ((soc van) OR (oc van)) ((anh ve) OR (anh va)) va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. hieu va cham ((soc van) OR (oc van)) ((anh ve) or (anh va)) va triet~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu va cham ((soc van) OR (oc van)) ((anh ve) or (anh va)) va triet*.