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