Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
dinh lam » dinh van, tinh lao
lam cho » lam chu, lai cho, lam co
va dinh » van dinh, va kinh, va tinh
tu phat » su phat, te phat, xu phat
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cho tre » cho thue, khoe tre
v pham » vi pham, d pham

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 (toc sach)) ky lang xa hoi. hieu ((tu phat) or (v pham)) duc va dinh lam cho tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky lang xa hoi. hieu ((tu phat) OR (v pham)) duc va dinh lam cho tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky lang xa hoi. hieu ((tu phat) or (v pham)) duc va dinh lam cho tre*.