Perhaps you should try some spelling variations:
seri belajar » teori belajar, mari belajar, cara belajar
beri belajar » teori belajar, mari belajar, hari belajar
belajar ilmu » belajar al
ilmu sejak » ilmu pajak, ilmu sejarah
sejak usai » sejak usia
usai dini » usi dini, usa din

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( seri belajar dan anak usia dini ) or ( beri belajar ilmu sejak usai dini ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( seri belajar dan anak usia dini ) OR ( beri belajar ilmu sejak usai dini ))*.