Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
thu sac » thu sach, thu san, thu xac
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
sac ky » cac ky, sai ky
va cau » van cau, va cac, va dau
xuc va » tuc va, luc va, xac va
vi va » vi van, vai va, vu va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang xa hoi. hieu va cau ((xuc va) OR (duc va)) hanh vi va triet~.
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang xa hoi. hieu va cau ((xuc va) or (duc va)) hanh vi va triet*.