Perhaps you should try some spelling variations:
materi pelajaran » materi pembelajaran, mata pelajaran, materi belajar
pelajaran sma » pelajaran ipa, pelajaran ski, pelajar sma
mari belajar » hasil belajar
belajar kata » belajar mata, belajar tata, belajar kaya
sma membaca » suka membaca, dna membaca, gemar membaca
dunia dari » dunia dan
kata di » katak di, kota di, kita di

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: (( materi pelajaran sma membaca ((qoblat _) OR (obat _)) ) OR ( mari belajar kata di dunia dari ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( materi pelajaran sma membaca ((qoblat _) OR (obat _)) ) or ( mari belajar kata di dunia dari ))~".
• Adding a wildcard symbol may retrieve word variants: (( materi pelajaran sma membaca ((qoblat _) OR (obat _)) ) or ( mari belajar kata di dunia dari ))*.