Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
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
luc van » luoc van, luu van, duc van
luc bat » suc bat, luc nhat, luat bat
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 ((luc van) or (luc bat)) hanh vi ((va triet) 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 ((luc van) OR (luc bat)) hanh vi ((va triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang xa hoi. hieu va nhan ((luc van) or (luc bat)) hanh vi ((va triet) or (su triet))*.