Perhaps you should try some spelling variations:
thieu bien » thieu nien, tieu bieu, hien bien
bien cac » vien cac, dien cac, bien ca
ve triet » va trien, su triet
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hanh va » hang va, hanh vi
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
va ve » va de, va le, va vi

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 nang xa hoi. thieu bien cac ((xuc va) OR (tuc va)) hanh va ve triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. thieu bien cac ((xuc va) OR (tuc va)) hanh va ve triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. thieu bien cac ((xuc va) OR (tuc va)) hanh va ve triet*.