Perhaps you should try some spelling variations:
hari pelanggan » para pelanggan, dan pelanggan, pada pelanggan
pelanggan di » pelanggan dan, pelanggan ke, pelanggan studi
belajar anak » belajar dan
ala belajar » lala belajar, ala pelajar, dalam belajar
sejarah ken » sejarah bukan, sejarah kecil, sejarah cina
di dna » di dunia, di danau

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: (( di hari pelanggan di dna dr ) OR ( ala belajar anak ((sejarah ken) OR (sejarah dan)) dwi ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( di hari pelanggan di dna dr ) or ( ala belajar anak ((sejarah ken) OR (sejarah dan)) dwi ))~".
• Adding a wildcard symbol may retrieve word variants: (( di hari pelanggan di dna dr ) or ( ala belajar anak ((sejarah ken) OR (sejarah dan)) dwi ))*.