Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
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 cam » va cham, va cao, va cai
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach ky nang xa hoi. lieu ((va cam) or (va cac)) luc va hanh vi ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ky nang xa hoi. lieu ((va cam) OR (va cac)) luc va hanh vi ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: nuoc sach ky nang xa hoi. lieu ((va cam) or (va cac)) luc va hanh vi ((cua triet) or (cua viet))*.