Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
qua nhan » cua nhan, qua nhat, qua phan
nhan luc » nang luc
van hanh » van thanh, ban hanh, van anh
va triet » va thiet, va trien, ve triet
su triet » su viet, su tien, ve triet
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
luc van » luoc van, luu van, duc van

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu qua nhan luc van hanh vi ((va triet) OR (su triet))~.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu qua nhan luc van hanh vi ((va triet) or (su triet))*.