Perhaps you should try some spelling variations:
mari pelajaran » materi pelajaran, mata pelajaran, mari belajara
sejarah awal » sejarah al, sejarah anak, sejarah jawa
hari belajar » mari belajar, hasil belajar, mari belajara
kimia serba » kajian serba
awal usia » anak usia, asal usil
guna dini » tina dini, guna di, guna dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( mari pelajaran sejarah awal usia dini ) or ( hari belajar kimia serba guna dini ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( mari pelajaran sejarah awal usia dini ) OR ( hari belajar kimia serba guna dini )).
• Adding a wildcard symbol may retrieve word variants: (( mari pelajaran sejarah awal usia dini ) or ( hari belajar kimia serba guna dini ))*.