Perhaps you should try some spelling variations:
teori belajar » mari belajar
guru sekolah » mutu sekolah, putus sekolah, luar sekolah
remaja guru » remaja buku, remaja putus, remaja putra
menurut m » menurut al, menurut kh, menurut imam
buku iii » buku ii, buku i
buku di » buku ii, buku i, buku ini

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( teori belajar _ menurut m 4 ) OR ( fiksi remaja guru sekolah ((buku di) OR (buku iii)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( teori belajar _ menurut m 4 ) or ( fiksi remaja guru sekolah ((buku di) OR (buku iii)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( teori belajar _ menurut m 4 ) or ( fiksi remaja guru sekolah ((buku di) OR (buku iii)) ))*.