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"

Try widening your search to All Fields.

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

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