Perhaps you should try some spelling variations:
mari belajar » hasil belajar
belajar anak » belajar dan
seri belajar » teori belajar, cara belajar
anak shalat » anak shalih, dalam shalat
shalat usia » saat usia, shalat siswa, shalat ashar
serat dunia » hebat dunia, seru dunia, era dunia
anak serat » anak sehat, anak surat, aneka serat
dunia ii » dunia di, dunia 4, dunia 1

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 anak shalat usia dini ) or ( seri belajar anak serat dunia ii ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( mari belajar anak shalat usia dini ) OR ( seri belajar anak serat dunia ii )).
• Adding a wildcard symbol may retrieve word variants: (( mari belajar anak shalat usia dini ) or ( seri belajar anak serat dunia ii ))*.