Perhaps you should try some spelling variations:
remaja muslim » remaja masjid
seri belajar » teori belajar, mari belajar, cara belajar
seri remaja » merit remaja, diri remaja, seks remaja
belajar dan » belajar anak, belajar mata
sehat usia » sehat mulia, sejak usia, saat usia
usia diri » usia dini, usia di
dunia di » dunia ii, dunia dari, dunia 4

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( seri remaja muslim sehari ((dunia di) OR (dunia dan)) ) or ( seri belajar dan sehat usia diri ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( seri remaja muslim sehari ((dunia di) OR (dunia dan)) ) OR ( seri belajar dan sehat usia diri )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( seri remaja muslim sehari ((dunia di) OR (dunia dan)) ) or ( seri belajar dan sehat usia diri ))".
• Adding a wildcard symbol may retrieve word variants: (( seri remaja muslim sehari ((dunia di) OR (dunia dan)) ) or ( seri belajar dan sehat usia diri ))*.