Perhaps you should try some spelling variations:
pengetahuan intergrasi » pengetahuan informasi, pengetahuan integritas
"Pengetahuan intergrasi bangsa" » "Pengetahuan intergerasi bangsa", "Pengetahuan disintegrasi bangsa", "Pengetahuan integritas bangsa"
"pengetahuan integrasi bangsa" » "pengetahuan interaksi bangsa"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("Pengetahuan intergrasi bangsa") or ("pengetahuan integrasi bangsa"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("Pengetahuan intergrasi bangsa") OR ("pengetahuan integrasi bangsa")).
• Removing quotes may allow a broader search: (( Pengetahuan intergrasi bangsa ) or ( pengetahuan integrasi bangsa )).
• Adding a wildcard symbol may retrieve word variants: (("Pengetahuan intergrasi bangsa") or ("pengetahuan integrasi bangsa"))*.