Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh lai » thanh hai, thanh lap, thanh loi
cua triet » cua viet, su triet, va triet
cuu thuc » cuu tac
thuc ban » thuoc ban, thuc dan, thu ban
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, dua tren
va cuu » va cau, va chu, va huu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. lieu va cuu thuc ban thanh lai ((cua tre) OR (cua triet))~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. lieu va cuu thuc ban thanh lai ((cua tre) or (cua triet))*.