Perhaps you should try some spelling variations:
dan pengukuran » dan pengaturan
mari belajar » hasil belajar
layak usaha » laba usaha, gaya usaha
belajar di » belajar dan
lama usaha » tata usaha, pada usaha
kill » skill, ill, hill
tani » ani, tapi

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 di kill dunia 4 ) OR ( dan pengukuran dan ((layak usaha) OR (lama usaha)) tani ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( mari belajar di kill dunia 4 ) or ( dan pengukuran dan ((layak usaha) OR (lama usaha)) tani ))~".
• Adding a wildcard symbol may retrieve word variants: (( mari belajar di kill dunia 4 ) or ( dan pengukuran dan ((layak usaha) OR (lama usaha)) tani ))*.