Perhaps you should try some spelling variations:
pertanian guru » peranan guru, perhatian guru, perjuangan guru
berbagai dunia » berbagai jenis, berbagai data, berbagai media
belajar dalam » belajar anak, belajar dan, belajar al
cara belajar » mari belajar, dalam belajar, ayo belajar
anak sulit » anak sakit, anak surat
sulit sri » yulia sri

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: (( seri pertanian guru anak sulit sri ) OR ( cara belajar dalam berbagai dunia _ ))~.
• Adding a wildcard symbol may retrieve word variants: (( seri pertanian guru anak sulit sri ) or ( cara belajar dalam berbagai dunia _ ))*.