Perhaps you should try some spelling variations:
cuc tieu » muc tieu, cac tieu, cach tieu
sach tay » xach tay, sach hay, sach nay
tay lang » tai lang, tay tang, tay quang
lang van » dang van, tang van, hoang van
vat dung » van dung, va dung, viet dung
cac toc » cac toi, cac nuoc, cac thoi
tu sach » thu sach, su sach, te sach
cac tuc » cac tu, cac tac, cac nuoc
hieu va » lieu va, hieu qua
van hoc » van hoa
cuc te » cua te, cuc thue

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 lang van hoc. hieu va ((cac tuc) or (cac toc)) vat dung tai ((cuc te) OR (cuc tieu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tay lang van hoc. hieu va ((cac tuc) OR (cac toc)) vat dung tai ((cuc te) OR (cuc tieu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tay lang van hoc. hieu va ((cac tuc) or (cac toc)) vat dung tai ((cuc te) OR (cuc tieu))*".