Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
qua nhan » cua nhan, qua nhat, qua phan
va triet » va thiet, va trien, ve triet
nhan luc » nang luc
van hanh » van thanh, ban hanh, van ban
sach ty » sach y, sach tu, sach thu
van anh » van thanh, tuan anh, van minh
ty nang » ky nang, ty xang, ty hang
su tien » su kien, su hien, tu tieng
x hoi » xa hoi, o hoi, x ho

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