Perhaps you should try some spelling variations:
pelajaran ski » pelajaran pai, pelajaran al, pelajaran ipa
mari belajar » hasil belajar
sejarah cita » sejarah cinta, sejarah cina, sejarah cerita
ski sejarah » fki sejarah, saksi sejarah, sari sejarah
masa dunia » emas dunia, waaa dunia, bangsa dunia
tata dunia » batas dunia, atas dunia, cita dunia

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: (( mari belajar anak ((masa dunia) OR (tata dunia)) 1 ) OR ( mata pelajaran ski sejarah cita _ ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( mari belajar anak ((masa dunia) OR (tata dunia)) 1 ) or ( mata pelajaran ski sejarah cita _ ))~".
• Adding a wildcard symbol may retrieve word variants: (( mari belajar anak ((masa dunia) OR (tata dunia)) 1 ) or ( mata pelajaran ski sejarah cita _ ))*.