Perhaps you should try some spelling variations:
mari belajar » hasil belajar
seri belajar » teori belajar, cara belajar
anak sahabat » antar sahabat, anak shalat, atau sahabat
belajar aba » belajar mata, belajar baca, belajar kaya
aba atap » aba aba, aja atau
atap dan » watak dan, balap dan, datar dan
dan raja » dan remaja, sang raja

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: (( seri belajar aba atap dan raja ) OR ( mari belajar anak sahabat nabi _ ))~.
• Adding a wildcard symbol may retrieve word variants: (( seri belajar aba atap dan raja ) or ( mari belajar anak sahabat nabi _ ))*.