Perhaps you should try some spelling variations:
pelayanan keamanan » pertahanan keamanan, pelayanan kebidanan, pelayanan keagamaan
keamanan sejarah » keamanan negara, khasanah sejarah, perjalanan sejarah
bahan pelayanan » badan pelayanan, bahan pelajaran, balai pelayanan
mari belajar » hasil belajar
anak dunia » bank dunia, minyak dunia
dan dan » dan dana, dan dar, adlan dan
di id » di sd
di ib » di kb, di fb

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( mari belajar anak dunia dan dan ) OR ( bahan pelayanan keamanan sejarah ((di id) OR (di ib)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( mari belajar anak dunia dan dan ) or ( bahan pelayanan keamanan sejarah ((di id) OR (di ib)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( mari belajar anak dunia dan dan ) or ( bahan pelayanan keamanan sejarah ((di id) OR (di ib)) ))*.