Perhaps you should try some spelling variations:
"perdata telaah dan pengembangan wali songo" » "perdata telaah dan pengembangan al songo", "perdata telaah dan pengembangan sapi songo", "perdata telaah dan pengembangan wakaf songo", "perdata terhadap dan pengembangan wali songo", "perdata teladan dan pengembangan wali songo", "perdata telaah al pengembangan wali songo", "perdata telaah ulang pengembangan wali songo"
"perdata telaah dan perjuangan wali songo" » "perdata terhadap dan perjuangan wali songo", "perdata telaah dan keuangan wali songo", "perdata telaah dan perkembangan wali songo", "perdata teladan dan perjuangan wali songo", "perdata telaah al perjuangan wali songo", "perdata telaah ulang perjuangan wali songo"

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: (("perdata telaah dan perjuangan wali songo") or ("perdata telaah dan pengembangan wali songo"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("perdata telaah dan perjuangan wali songo") OR ("perdata telaah dan pengembangan wali songo")).
• Removing quotes may allow a broader search: (( perdata telaah dan perjuangan wali songo ) or ( perdata telaah dan pengembangan wali songo )).
• Adding a wildcard symbol may retrieve word variants: (("perdata telaah dan perjuangan wali songo") or ("perdata telaah dan pengembangan wali songo"))*.