Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
ve cao » va cao, ve cac, ve co
ve bao » te bao, va bao
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu ((ve cao) or (ve bao)) duc va hanh va ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ky nang x hoi. hieu ((ve cao) OR (ve bao)) duc va hanh va ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang x hoi. hieu ((ve cao) or (ve bao)) duc va hanh va ((cua te) or (cua tu))*.