Perhaps you should try some spelling variations:
seri belajar » teori belajar, mari belajar, cara belajar
belajar dari » belajar dan, belajar dalam, belajar mata
belajar di » belajar dan
belajar al » belajar dan, belajar dalam, belajar anak
saat usia » saat manusia
al shilat » al shalat, al shifat, al shirat
usi dini » usai dini

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 dari) OR (belajar di)) saat usia dini ) OR ( seri belajar al shilat usi dini ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( seri ((belajar dari) OR (belajar di)) saat usia dini ) or ( seri belajar al shilat usi dini ))~".
• Adding a wildcard symbol may retrieve word variants: (( seri ((belajar dari) OR (belajar di)) saat usia dini ) or ( seri belajar al shilat usi dini ))*.