Perhaps you should try some spelling variations:
materi penataran » materi pelajaran, materi pemantapan, materi percakapan
penataran anak » penanganan anak, pengalaman anak, pengawasan anak
penting dunia » tentang dunia, penting punya, penerang dunia
mari belajar » hasil belajar
anak penting » anak menteng, anak tentang, sangat penting
anak bagi » anak badai, anak basa, anak bahagia

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 penataran anak bagi anak 2 ) OR ( mari belajar anak penting dunia dan ))~.
• Adding a wildcard symbol may retrieve word variants: (( materi penataran anak bagi anak 2 ) or ( mari belajar anak penting dunia dan ))*.