Perhaps you should try some spelling variations:
hanh tri » thanh tri, hanh tai, hanh trinh
va triet » va thiet, va trien, ve triet
hieu va » lieu va, hieu qua
va cham » va chat, va tham
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
soc va » hoc va, doc va, goc va
loc va » hoc va
luc va » duc va, tuc 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) OR (luc va)))) hanh tri 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) OR (luc va)))) hanh tri va triet~".
• Adding a wildcard symbol may retrieve word variants: tu san ky nang x hoi. hieu va cham ((soc va) or (((loc va) OR (luc va)))) hanh tri va triet*.