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