Perhaps you should try some spelling variations:
materi pelayanan » materi layanan, materi pelajaran, majelis pelayanan
berbagai negara » lembaga negara
pelayanan dasar » pelayanan dalam, pelajaran dasar, pelayanan agar
materi belajar » mari belajar, teori belajar, seri belajar
belajar di » belajar dan
studi tri » studi teori, studi dari, studi di
negara 5 » negara 1, negara _, negara 405

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: (( materi belajar di berbagai negara 5 ) OR ( materi pelayanan dasar anak studi tri ))~.
• Adding a wildcard symbol may retrieve word variants: (( materi belajar di berbagai negara 5 ) or ( materi pelayanan dasar anak studi tri ))*.