Perhaps you should try some spelling variations:
thieu bien » thieu nien, tieu bieu, hien bien
su triet » su tien, ve triet
bien cac » vien cac, dien cac, bien ca
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
su viet » so viet
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc 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 xa hoi. thieu bien cac ((xuc va) OR (luc va)) hanh vi ((su triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. thieu bien cac ((xuc va) OR (luc va)) hanh vi ((su triet) OR (su viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang xa hoi. thieu bien cac ((xuc va) OR (luc va)) hanh vi ((su triet) or (su viet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. thieu bien cac ((xuc va) OR (luc va)) hanh vi ((su triet) or (su viet))*.