Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
van dinh » van minh, van dich, va dinh
dinh su » dinh so, hinh su, dinh cu
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
te sach » toc sach
ty nang » ky nang, ty xang, ly nang
ty hang » ly hang, ty xang, thi hang
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, x ho
o hoc » co hoc, mo hoc, so hoc
su va » su van, tu va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ty nang) or (ty hang)) ((x hoi) or (o hoc)). hieu ve cam xuc van dinh su va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty nang) OR (ty hang)) ((x hoi) OR (o hoc)). hieu ve cam xuc van dinh su va triet.
• Adding a wildcard symbol may retrieve word variants: te sach ((ty nang) or (ty hang)) ((x hoi) or (o hoc)). hieu ve cam xuc van dinh su va triet*.