Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
van thanh » ban thanh, van tuan
va triet » va thiet, va trien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
luc van » luoc van, luu van, duc van
te sach » toc sach
vu nang » vuc nang, va nang, vu dang
cam luc » cam xuc, cau luc
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao

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: te sach ((y nang) OR (vu nang)) xa hoi. lieu va cam luc van thanh vi ((cua triet) OR (va triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) or (vu nang)) xa hoi. lieu va cam luc van thanh vi ((cua triet) OR (va triet))~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (vu nang)) xa hoi. lieu va cam luc van thanh vi ((cua triet) OR (va triet))*.