Perhaps you should try some spelling variations:
remaja muslim » remaja masjid
teori belajar » mari belajar
seks remaja » seri remaja, seksual remaja, fiksi remaja
sehat usia » sehat mulia, sejak usia, saat usia
usia diri » usia dini, usia di
dunia ii » dunia di, dunia 1, dunia 2

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( seks remaja muslim sehari ((dunia ii) OR (dunia 4)) ) or ( teori belajar anak sehat usia diri ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( seks remaja muslim sehari ((dunia ii) OR (dunia 4)) ) OR ( teori belajar anak sehat usia diri )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( seks remaja muslim sehari ((dunia ii) OR (dunia 4)) ) or ( teori belajar anak sehat usia diri ))".
• Adding a wildcard symbol may retrieve word variants: (( seks remaja muslim sehari ((dunia ii) OR (dunia 4)) ) or ( teori belajar anak sehat usia diri ))*.