Perhaps you should try some spelling variations:
thieu nien » thien nhien
cac truc » cau truc, cac tru, cac trung
thai cua » than cua, tai cuc, tri cua
thu sach » thuat sach, thuoc sach, thu hoach
nien cac » vien cac, dien cac, bien cac
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
cua te » cua tu

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: ((tu sach) OR (thu sach)) ky nang xa hoi. thieu nien cac truc ((va hanh) OR (va danh)) thai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) ky nang xa hoi. thieu nien cac truc ((va hanh) OR (va danh)) thai cua te~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang xa hoi. thieu nien cac truc ((va hanh) OR (va danh)) thai cua te*.