Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh van » thanh san, thanh toan, thanh phan
va thanh » gia thanh, ban thanh, va tinh
chat luc » chat xuc, chat lua, nhan luc
van cua » vang cua, ban cua, dan cua
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty hang, ly nang
luc va » duc va, tuc va, loc va
so hai » son hai, su hai, so ha
x hoi » xa hoi, o hoi, x ho

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 xang)) ((x hoi) or (so hai)). hieu va chat luc va thanh van cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ty xang)) ((x hoi) OR (so hai)). hieu va chat luc va thanh van cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ty xang)) ((x hoi) or (so hai)). hieu va chat luc va thanh van cua triet*.