Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lam » thanh lap, hanh lam, thanh nam
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cua te, cuu tre, dua tren
hieu va » lieu va, hieu qua
vu nang » vuc nang, va nang, vu dang
tuc va » thuc va, truc va, tuc xa
va cam » va cham, va cac, va cao
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: ((te sach) or (toc sach)) vu nang x hoi. hieu va cam tuc va thanh lam ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) vu nang x hoi. hieu va cam tuc va thanh lam ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) vu nang x hoi. hieu va cam tuc va thanh lam ((cua tre) or (cua triet))*.