Perhaps you should try some spelling variations:
ban tinh » ban thanh, quan tinh, ban hanh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cau luc » cau truc, cau phuc
luc ban » duc ban, cuc ban, luc bat
tinh va » tich va, trinh van, trinh vat
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
va cau » van cau, va cac, va dau

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