Perhaps you should try some spelling variations:
berbagai negara » lembaga negara
atas berbagai » atasi berbagai, atas pelbagai, bas berbagai
seri belajar » teori belajar, mari belajar, cara belajar
belajar atas » belajar bahas, belajar anak, belajar mata
belajar di » belajar dan
negara di » negara dan
tanya dan » daya dan

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 belajar atas berbagai negara di ) OR ( hasil belajar di ((tanya dan) OR (tanah dan)) m ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( seri belajar atas berbagai negara di ) or ( hasil belajar di ((tanya dan) OR (tanah dan)) m ))~".
• Adding a wildcard symbol may retrieve word variants: (( seri belajar atas berbagai negara di ) or ( hasil belajar di ((tanya dan) OR (tanah dan)) m ))*.