Perhaps you should try some spelling variations:
penangkaran ulat » penangkaran cucak, penangkaran ikan, penangkapan ikan
seri penangkaran » seri pemasaran
ayo belajar » mari belajar
belajar dan » belajar anak, belajar mata
state usaha » tata usaha, strategi usaha
usaha dan » usaha tani
11 dunia » 15 dunia, di dunia, ke dunia
1 dunia » di 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: (( ayo belajar dan ((11 dunia) OR (1 dunia)) 4 ) OR ( seri penangkaran ulat state usaha dan ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ayo belajar dan ((11 dunia) OR (1 dunia)) 4 ) or ( seri penangkaran ulat state usaha dan ))~".
• Adding a wildcard symbol may retrieve word variants: (( ayo belajar dan ((11 dunia) OR (1 dunia)) 4 ) or ( seri penangkaran ulat state usaha dan ))*.