Perhaps you should try some spelling variations:
sejarah dunia » sejarah dan
seri belajar » teori belajar, mari belajar, cara belajar
belajar dan » belajar mata
saat dunia » saat bunga, saat usia, sahabat dunia
anak saat » anak shalat, anak sangat, anak sehat
dunia ii » dunia di, dunia 4, dunia 1

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( seri belajar anak saat dunia ii ) or ( hasil belajar dan sejarah dunia ii ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( seri belajar anak saat dunia ii ) OR ( hasil belajar dan sejarah dunia ii )).
• Adding a wildcard symbol may retrieve word variants: (( seri belajar anak saat dunia ii ) or ( hasil belajar dan sejarah dunia ii ))*.