Perhaps you should try some spelling variations:
sahabat dunia » sahabat dari, sahabat pena
seri belajar » teori belajar, mari belajar
cara belajar » mari belajar, dalam belajar, ayo belajar
belajar mata » belajar anak
mata sahabat » mitra sahabat, para sahabat, ala sahabat
anak dunia » bank dunia
dunia ii » dunia di, dunia 4, dunia 1

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( seri belajar dan anak dunia edisi ) OR ( cara belajar mata sahabat dunia ii ))~".
• Adding a wildcard symbol may retrieve word variants: (( seri belajar dan anak dunia edisi ) OR ( cara belajar mata sahabat dunia ii ))*.