Perhaps you should try some spelling variations:
seri peraturan » seri pemasaran, beserta peraturan
peraturan tata » peraturan ttg, peraturan jasa, peraturan lama
teori belajar » mari belajar
sosial lebih » sosial media
tata sosial » strata sosial, status sosial, etika sosial
paru anak » aku anak, lagu anak, laku anak

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: (( teori belajar ((paru anak) OR (paru anda)) dunia 4 ) OR ( seri peraturan tata sosial lebih _ ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( teori belajar ((paru anak) OR (paru anda)) dunia 4 ) or ( seri peraturan tata sosial lebih _ ))~".
• Adding a wildcard symbol may retrieve word variants: (( teori belajar ((paru anak) OR (paru anda)) dunia 4 ) or ( seri peraturan tata sosial lebih _ ))*.