Perhaps you should try some spelling variations:
seri belajar » teori belajar, cara belajar
mari belajar » hasil belajar
anak tetap » anak terapi, agar tetap, anda tetap
12 sahabat » 1 sahabat, 5 sahabat, 50 sahabat
10 sahabat » 1 sahabat
nabi i » nabi di, nabi ii, nabi 2
tina » tinta, tiga, bina

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 anak tetap tina dini ) OR ( mari belajar ((12 sahabat) OR (10 sahabat)) nabi i ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( seri belajar anak tetap tina dini ) or ( mari belajar ((12 sahabat) OR (10 sahabat)) nabi i ))~".
• Adding a wildcard symbol may retrieve word variants: (( seri belajar anak tetap tina dini ) or ( mari belajar ((12 sahabat) OR (10 sahabat)) nabi i ))*.