Perhaps you should try some spelling variations:
thieu nien » thien nhien
cua triet » cua viet, su triet, va triet
nien cac » vien cac, dien cac, bien cac
vu sach » vu bach, su sach, vu khach
nang xa » lang xa, nang ma, mang xa
cac bao » cach bao, cac bai, cac ban
va dinh » van dinh, va kinh, va tinh
dinh vi » dinh ve, dinh viet, dinh tri
te sach » toc sach
bao va » bao ve, tao va, ban va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (vu sach)) ky ((nang xa) OR (nang x)) hoi. thieu nien cac bao va dinh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (vu sach)) ky ((nang xa) OR (nang x)) hoi. thieu nien cac bao va dinh vi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (vu sach)) ky ((nang xa) OR (nang x)) hoi. thieu nien cac bao va dinh vi cua triet*".