Perhaps you should try some spelling variations:
belajar anak » belajar dan
mari belajar » hasil belajar
raya dan » daya dan, gaya dan, tanya dan
kaya dan » karya dan, daya dan, gaya dan
anak dan » anak di
dan isa » dan lisa, dan isu, dan isi
isa dan » lisa dan, bisa dan, biasa dan
dan 13 » dan 19, dan 11, dan 12

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: (( materi ((raya dan) OR (kaya dan)) sejarah dan 13 ) OR ( mari belajar anak dan isa dan ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( materi ((raya dan) OR (kaya dan)) sejarah dan 13 ) or ( mari belajar anak dan isa dan ))~".
• Adding a wildcard symbol may retrieve word variants: (( materi ((raya dan) OR (kaya dan)) sejarah dan 13 ) or ( mari belajar anak dan isa dan ))*.