Perhaps you should try some spelling variations:
mari belajar » hasil belajar
seri belajar » teori belajar, cara belajar
belajar anak » belajar dan
belajar drs » belajar dos, belajar dari, belajar drum
anwar usia » anak usia, awal usia
drs anwar » ari anwar, r anwar
usia di » usia dini, dunia di, mulia di

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: (( mari belajar drs anwar usia di ) OR ( seri belajar anak ((sehat dan) OR (sehat dengan)) kini ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( mari belajar drs anwar usia di ) or ( seri belajar anak ((sehat dan) OR (sehat dengan)) kini ))~".
• Adding a wildcard symbol may retrieve word variants: (( mari belajar drs anwar usia di ) or ( seri belajar anak ((sehat dan) OR (sehat dengan)) kini ))*.