Perhaps you should try some spelling variations:
thieu nien » thien nhien
lang van » dang van, tang van, hoang van
nien cac » vien cac, dien cac, bien cac
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoc, van hoe
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky lang van hoi. thieu nien cac xuc va hanh vi ((su triet) or (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang van hoi. thieu nien cac xuc va hanh vi ((su triet) OR (va thiet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang van hoi. thieu nien cac xuc va hanh vi ((su triet) or (va thiet))*.