Perhaps you should try some spelling variations:
nhan duoc » nhan cuoc, nhan quoc, phan duoc
thu sach » tu sach, thuat sach, thuoc sach
duoc ban » duc ban, quoc ban, buoc ban
ban hang » ngan hang
su triet » su viet, su tien, ve triet
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ca » hieu cac, hieu cua, hieu va
hang vi » hang va, hanh vi, hang di

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang xa hoi. hieu ca nhan duoc ban hang vi ((va thiet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu ca nhan duoc ban hang vi ((va thiet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu ca nhan duoc ban hang vi ((va thiet) or (su triet))*.