Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
cac tuc » cac toc, cac tu, cac tac
cua tre » cuu tre, cua triet, dua tren
va dan » ca dan, va dau, va dap
va dao » ca dao
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: tu sach ky dang xa hoi. lieu va cac tuc ((va dan) OR (va dao)) vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang xa hoi. lieu va cac tuc ((va dan) OR (va dao)) vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky dang xa hoi. lieu va cac tuc ((va dan) OR (va dao)) vai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang xa hoi. lieu va cac tuc ((va dan) OR (va dao)) vai ((cua tre) or (cua te))*.