Perhaps you should try some spelling variations:
seri belajar » teori belajar, mari belajar, cara belajar
remaja islam » remaja islami, remaja dalam, remaja muslim
seri remaja » merit remaja, diri remaja, seks remaja
islam sejak » islam sejarah, islam sebuah
ilmu falak » ilmu dalam
usia di » usia dini, dunia di, mulia di

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 ((ilmu falak) OR (ilmu kalam)) usia di ) or ( seri remaja islam sejak usia di ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( seri belajar ((ilmu falak) OR (ilmu kalam)) usia di ) OR ( seri remaja islam sejak usia di )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( seri belajar ((ilmu falak) OR (ilmu kalam)) usia di ) or ( seri remaja islam sejak usia di ))".
• Adding a wildcard symbol may retrieve word variants: (( seri belajar ((ilmu falak) OR (ilmu kalam)) usia di ) or ( seri remaja islam sejak usia di ))*.