Perhaps you should try some spelling variations:
mari belajar » hasil belajar
asal sekolah » dasar sekolah, anak sekolah, ada sekolah
seri belajar » teori belajar, cara belajar
belajar al » belajar dan, belajar di, belajar anak
al sekolah » dan sekolah, ayo sekolah, aku sekolah
serat usia » sejak usia, saat usia
al serat » al shirat, al sirah, 1 serat

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 ((al sekolah) OR (asal sekolah)) usia dini ) OR ( seri belajar al serat usia 4 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( mari belajar ((al sekolah) OR (asal sekolah)) usia dini ) or ( seri belajar al serat usia 4 ))~".
• Adding a wildcard symbol may retrieve word variants: (( mari belajar ((al sekolah) OR (asal sekolah)) usia dini ) or ( seri belajar al serat usia 4 ))*.