Perhaps you should try some spelling variations:
thieu nien » thien nhien
day thanh » dao thanh, dat thanh, da thanh
nien dai » nhien dai, hien dai, vien dai
dai thuc » dan thuc, dai thu, dai thua
thuc day » thuc dan, thuc vat
thanh di » thanh doi, thanh de, thanh do
su sach » so sach, vu sach
te sach » toc sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (te sach)) ky lang xa hoi. thieu nien dai thuc day thanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky lang xa hoi. thieu nien dai thuc day thanh di cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky lang xa hoi. thieu nien dai thuc day thanh di cua te*.