Perhaps you should try some spelling variations:
hanh than » hanh han, hanh nhan, hanh phan
than cua » nhan cua, thai cua, ban cua
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
va bac » van bac, va cac, va bai
xuc va » tuc va, luc va, xac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang xa hoi. lieu va bac ((xuc va) OR (duc va)) hanh than cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang xa hoi. lieu va bac ((xuc va) OR (duc va)) hanh than cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang xa hoi. lieu va bac ((xuc va) OR (duc va)) hanh than cua tre*.