Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nhan luc » nang luc
ban hang » ngan hang
va triet » va thiet, va trien, cua triet
ve triet » va trien, su triet
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va nhan » van nhan, ca nhan, va phan

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