Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh lai » thanh hai, thanh lap, thanh loi
sach ty » sach y, sach tu, sach thu
cua tre » cua triet, dua tren, cua thep
tu sach » thu sach, su sach, te sach
duc ban » duc tan, duc van, dua ban
cam duc » cam xuc, cao duc, pham duc
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cuu tre » cau tren, cau treo
va cam » va cham, va cac, va cao
cua te » cua tu

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 cam duc ban thanh lai ((((cua tre) OR (cua te))) OR (cuu tre))~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. lieu va cam duc ban thanh lai ((((cua tre) or (cua te))) or (cuu tre))*.