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 telaah dan perjuangan wali songo"
"seri teladan dan keuangan wali songoa" » "seri teladan dan keuangan dari songoa", "seri teladan dan keuangan al songoa", "seri teladan dan keuangan jilid songoa", "cerita teladan dan keuangan wali songoa", "seri teladan dari keuangan wali songoa", "seri teladan sang keuangan wali songoa", "seri telaah dan keuangan wali songoa", "seri teladan dan keuangan wali sanga"

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