Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va triet » va thiet, va trien, cua triet
ban hanh » ban hang
nhan luc » nang luc
ve triet » va trien, su triet
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
luc ban » duc ban, cuc ban, luc bat
thu san » thuy san, thu ban, phu san
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) or (thu san)) ky nang xa hoi. hieu va nhan luc ban hanh vi ((va triet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thu san)) ky nang xa hoi. hieu va nhan luc ban hanh vi ((va triet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thu san)) ky nang xa hoi. hieu va nhan luc ban hanh vi ((va triet) or (ve triet))*.