Perhaps you should try some spelling variations:
"seri teladan dan perjuangan wali songo" » "seri teladan dan perkembangan wali songo", "cerita teladan dan perjuangan wali songo", "seri teladan dari perjuangan wali songo", "seri teladan sang perjuangan wali songo", "seri teladan di perjuangan wali songo"
"sirri telaah dan keuangan wali songo" » "sirri telaah dan keuangan dari songo", "sirri telaah dan keuangan al songo", "sirri telaah dan keuangan jilid songo", "bisri telaah dan keuangan wali songo", "asyari telaah dan keuangan wali songo", "sirri setelah dan keuangan wali songo", "sirri telaah al keuangan wali songo", "sirri telaah ulang keuangan wali songo", "sirri telaah maani keuangan 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: (("seri teladan dan perjuangan wali songo") or ("sirri telaah dan keuangan wali songo"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("seri teladan dan perjuangan wali songo") OR ("sirri telaah dan keuangan wali songo")).
• Removing quotes may allow a broader search: (( seri teladan dan perjuangan wali songo ) or ( sirri telaah dan keuangan wali songo )).
• Adding a wildcard symbol may retrieve word variants: (("seri teladan dan perjuangan wali songo") or ("sirri telaah dan keuangan wali songo"))*.