Perhaps you should try some spelling variations:
seri belajar » teori belajar, cara belajar
mari belajar » hasil belajar
anak sajak » anak sejak, sajak sajak, anak anak
belajar al » belajar dan, belajar di, belajar dalam
dunia di » dunia ii, dunia dari, dunia 4
al sejak » sd sejak
dini » ini, diri

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 sajak ((dunia di) OR (dunia dan)) ) or ( mari belajar al sejak usia dini ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( seri belajar anak sajak ((dunia di) OR (dunia dan)) ) OR ( mari belajar al sejak usia dini )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( seri belajar anak sajak ((dunia di) OR (dunia dan)) ) or ( mari belajar al sejak usia dini ))".
• Adding a wildcard symbol may retrieve word variants: (( seri belajar anak sajak ((dunia di) OR (dunia dan)) ) or ( mari belajar al sejak usia dini ))*.