Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh va » hang va, hanh vi
truc va » thuc va, thuc vat, trung va
te sach » toc sach
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
va lam » van lam, va lap
xuc va » duc va, tuc va, luc va
va cua » va chua, via cua, ca cua

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)) xa hoi. lieu va lam ((xuc va) or (truc va)) hanh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty nang) OR (ty hang)) xa hoi. lieu va lam ((xuc va) OR (truc va)) hanh va cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ((ty nang) or (ty hang)) xa hoi. lieu va lam ((xuc va) or (truc va)) hanh va cua triet*.