Perhaps you should try some spelling variations:
materi belajar » teori belajar, seri belajar, strategi belajar
belajar anak » belajar dan
mari belajar » hasil belajar
anak budaya » anak buaya, antar budaya, aneka budaya
budaya dan » budidaya dan, daya dan
dan 11 » dan 19, 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 belajar anak budaya dan 11 ) OR ( mari belajar ((dan air) OR (ikan air)) dan _ ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( materi belajar anak budaya dan 11 ) or ( mari belajar ((dan air) OR (ikan air)) dan _ ))~".
• Adding a wildcard symbol may retrieve word variants: (( materi belajar anak budaya dan 11 ) or ( mari belajar ((dan air) OR (ikan air)) dan _ ))*.