Perhaps you should try some spelling variations:
mengolah air » pengolahan air, mengolah data, mengolah dan
mari belajar » hasil belajar
farid ahmad » hamid ahmad, sayyid ahmad, khalid ahmad
bin membuat » bisa membuat, dan membuat, tip membuat
di mengolah » dan mengolah, 1 mengolah, xp mengolah
belajar di » belajar dan
air 2 » air 1

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: (( farid ahmad bin membuat pupuk dan ) OR ( mari belajar di mengolah air 2 ))~.
• Adding a wildcard symbol may retrieve word variants: (( farid ahmad bin membuat pupuk dan ) or ( mari belajar di mengolah air 2 ))*.