Perhaps you should try some spelling variations:
hanh day » hanh may, han day, hanh dao
day cua » dai cua
sach ky » sach y, sach ty, sach kem
va chat » van chat, va phat, cao chat
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
luc va » tuc va, loc va
sac ky » cac ky, sai ky

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) OR (sac ky)) lang xa hoi. lieu va chat ((duc va) or (luc va)) hanh day cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) lang xa hoi. lieu va chat ((duc va) OR (luc va)) hanh day cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sac ky)) lang xa hoi. lieu va chat ((duc va) or (luc va)) hanh day cua tre*".