Perhaps you should try some spelling variations:
thu sac » thu sach, thu san, thu xac
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
sac ky » cac ky, sai ky
va cau » van cau, va cac, va cao
va dau » va dao
xuc va » duc va, tuc va, luc 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. lieu ((va cau) OR (va dau)) xuc va hanh vi va (thiet OR thieu)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sac ky nang xa hoi. lieu ((va cau) OR (va dau)) xuc va hanh vi va (thiet or thieu)~".
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang xa hoi. lieu ((va cau) OR (va dau)) xuc va hanh vi va (thiet or thieu)*.