Perhaps you should try some spelling variations:
nhan cac » nhan cach, phan cac, nhan mac
ban hanh » ban hang
va trien » va truyen, va thiet, va tuyen
su triet » su viet, su tien, ve triet
thu sac » thu sach, thu san, thu xac
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va nhan » van nhan, ca nhan, va phan
cac ban » cac dan, cac van, can ban
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac ky nang xa hoi. hieu va nhan cac ban hanh vi ((va trien) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang xa hoi. hieu va nhan cac ban hanh vi ((va trien) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang xa hoi. hieu va nhan cac ban hanh vi ((va trien) or (su triet))*.