Perhaps you should try some spelling variations:
than cua » thai cua, ban cua, gian cua
nhan cua » nhat cua, nhan luc, nhan su
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
va bac » van bac, va cac, va bai
xuc va » duc va, tuc va, luc 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 hanh ((than cua) OR (nhan 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 hanh ((than cua) OR (nhan cua)) tre".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang xa hoi. lieu va bac xuc va hanh ((than cua) OR (nhan cua)) tre*.