Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
hanh tai » thanh tai, hang tai, han tai
hanh tri » thanh tri, hanh trinh, hanh triet
hieu va » lieu va, hieu qua
va cham » va chat, va tham
tu san » thu san, tu ban, tu can
loc va » hoc va, luc va
san ky » sang ky, van ky, dan ky
soc va » hoc va, doc va, goc va
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 ky nang x hoi. hieu va cham ((soc va) OR (loc va)) ((hanh tri) OR (hanh tai)) va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky nang x hoi. hieu va cham ((soc va) or (loc va)) ((hanh tri) OR (hanh tai)) va triet~".
• Adding a wildcard symbol may retrieve word variants: tu san ky nang x hoi. hieu va cham ((soc va) or (loc va)) ((hanh tri) OR (hanh tai)) va triet*.