Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
trung va » truong va, trang va, trung ha
vai cua » dai cua, hai cua, lai cua
tu sach » thu sach, su sach, te sach
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
va lam » van lam, va lap
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ty nang) or (ty hang)) xa hoi. lieu va lam ((luc va) or (trung va)) hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ty hang)) xa hoi. lieu va lam ((luc va) OR (trung va)) hanh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ty hang)) xa hoi. lieu va lam ((luc va) or (trung va)) hanh vai cua triet*.