Perhaps you should try some spelling variations:
thieu nien » thien nhien
thuoc sach » hoc sach, nuoc sach, thuat sach
nien cac » vien cac, dien cac, bien cac
xa thanh » va thanh, ha thanh, ta thanh
thanh tu » hanh tu, nhanh tu, thanh tung
va triet » va thiet, va trien, ve triet
ty nang » ky nang, ty xang, ty hang
cac tac » cac toc, cac bac, cac dac
nang o » nang co, nang ho, nang ro
tac xa » tuc xa, tac da
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuoc sach) or (cuoc cach)) ty nang o hoi. thieu nien cac tac xa thanh tu va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuoc sach) OR (cuoc cach)) ty nang o hoi. thieu nien cac tac xa thanh tu va triet.
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) or (cuoc cach)) ty nang o hoi. thieu nien cac tac xa thanh tu va triet*.