Perhaps you should try some spelling variations:
kitab pelayanan » kitab pelajaran, kitab peladjaran, atas pelayanan
seri belajar » teori belajar, mari belajar, cara belajar
belajar gaul » belajar al, belajar mapel, belajar agama
atas dunia » atlas dunia, batas dunia, anak dunia
atas usia » batas usia, atas sma, atas pria
sosial di » sosial dan

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 gaul ((atas usia) OR (atas dunia)) 4 ) or ( kitab pelayanan dan sosial di _ ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( seri belajar gaul ((atas usia) OR (atas dunia)) 4 ) OR ( kitab pelayanan dan sosial di _ ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( seri belajar gaul ((atas usia) OR (atas dunia)) 4 ) or ( kitab pelayanan dan sosial di _ ))*".