Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hanh vai » hanh va, hanh tai, hanh van
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cau duc » cao duc, cau luc, chu duc
cua tre » cuu tre, cua triet, dua tren
va cau » van cau, va cac, va dau
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ky nang xa hoi. lieu va cau duc va ((hanh vai) or (hanh vi)) ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ky nang xa hoi. lieu va cau duc va ((hanh vai) OR (hanh vi)) ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang xa hoi. lieu va cau duc va ((hanh vai) or (hanh vi)) ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang xa hoi. lieu va cau duc va ((hanh vai) or (hanh vi)) ((cua tre) OR (cua te))*.