Perhaps you should try some spelling variations:
sach tay » sach hay, sach nay, sach tai
xach tay » canh tay
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
dao dai » dat dai, dao dan, tao dai
cua tre » cua te, cuu tre, cua triet
va hoc » van hoc
va dao » ca dao
nuoc » quoc, duoc, ngoc

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 tay) or (xach tay)) lang xa hoi. hieu va hoc nuoc va dao dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tay) OR (xach tay)) lang xa hoi. hieu va hoc nuoc va dao dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach tay) or (xach tay)) lang xa hoi. hieu va hoc nuoc va dao dai cua tre*.