Perhaps you should try some spelling variations:
seri belajar » teori belajar, mari belajar, cara belajar
belajar mata » belajar dan, belajar anak
belajar para » belajar pada, belajar cara, belajar puasa
sahabat gang » sahabat yang, sahabat dan, sahabat bunga
otak dan » anak dan
hak dan » anak dan, bank dan, baik dan

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 mata ((otak dan) OR (hak dan)) daya ) OR ( hasil belajar para sahabat gang 1 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( seri belajar mata ((otak dan) OR (hak dan)) daya ) or ( hasil belajar para sahabat gang 1 ))~".
• Adding a wildcard symbol may retrieve word variants: (( seri belajar mata ((otak dan) OR (hak dan)) daya ) or ( hasil belajar para sahabat gang 1 ))*.