Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
thu sach » tu sach, thuat sach, thuoc sach
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
tu cach » tu cac
luc ban » duc ban, cuc ban, luc bat
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (thu sach)) ty nang xa hoi. hieu ve cham luc ban hanh vai ((va thiet) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thu sach)) ty nang xa hoi. hieu ve cham luc ban hanh vai ((va thiet) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thu sach)) ty nang xa hoi. hieu ve cham luc ban hanh vai ((va thiet) or (cua te))*.