Perhaps you should try some spelling variations:
thieu nien » thien nhien
nien cam » nien giam, trien cam, vien cac
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
va dung » van dung, va duong, vat dung
y nang » ky nang, ly nang, v nang
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 y nang xa hoi. thieu nien cam xuc va dung tai ((su triet) or (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. thieu nien cam xuc va dung tai ((su triet) OR (va thiet)).
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. thieu nien cam xuc va dung tai ((su triet) or (va thiet))*.