Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
va triet » va thiet, va trien, ve triet
bat hang » ban hang, dat hang, mat hang
nhan luc » nang luc
su triet » su viet, su tien, ve triet
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va nhan » van nhan, ca nhan, va phan
luc bat » suc bat, luc nhat, luat bat
tu sach » su sach, te sach, tu cach
hang di » hang doi, hang vi, hang dien

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