Perhaps you should try some spelling variations:
pengetahuan disintegrasi » pengetahuan integrasi, mencegah disintegrasi, pengetahuan integritas
"pengetahuan interaksi bangsa" » "pengetahuan integrasi bangsa", "pengetahuan informasi bangsa", "pengetahuan integritas bangsa", "pengetahuan intergrasi bangsa", "pengetahuan intergerasi bangsa"
"Pengetahuan disintegrasi bangsa" » "Pengetahuan integrasi bangsa", "Pengetahuan intergrasi 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 interaksi bangsa") or ("Pengetahuan disintegrasi bangsa"))~.
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• Removing quotes may allow a broader search: (( pengetahuan interaksi bangsa ) or ( Pengetahuan disintegrasi bangsa )).
• Adding a wildcard symbol may retrieve word variants: (("pengetahuan interaksi bangsa") or ("Pengetahuan disintegrasi bangsa"))*.