Perhaps you should try some spelling variations:
mari belajar » hasil belajar
belajar mata » belajar dan, belajar anak
saadat usia » saat usia
belajar al » belajar dan, belajar di, belajar anak
pusat dini » pusat dan
mata bagi » mata hati, mata dari, kaca bagi
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: (( mari belajar al saadat usia dini ) or ( teori belajar mata bagi ((pusat dini) OR (usai dini)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( mari belajar al saadat usia dini ) OR ( teori belajar mata bagi ((pusat dini) OR (usai dini)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( mari belajar al saadat usia dini ) or ( teori belajar mata bagi ((pusat dini) OR (usai dini)) ))".
• Adding a wildcard symbol may retrieve word variants: (( mari belajar al saadat usia dini ) or ( teori belajar mata bagi ((pusat dini) OR (usai dini)) ))*.