Perhaps you should try some spelling variations:
"seri telaah dan perkembangan ri songo" » "seri telaah dan pengembangan ri songo", "seri telaah dan perkembangan di songo", "seri telaah dan perkembangan dari songo", "seri telaah dan perkembangan iq songo", "cerai telaah dan perkembangan ri songo", "seri jelajah dan perkembangan ri songo", "sirri telaah dan perkembangan ri songo", "seri teladan dan perkembangan ri songo", "seri telaah al perkembangan ri songo", "seri telaah ulang perkembangan ri songo"
"seri teladan sang perjuangan wali sanga" » "seri teladan dan perjuangan wali sanga", "seri teladan yan perjuangan wali sanga", "seri teladan sarana perjuangan wali sanga", "cerita teladan sang perjuangan wali sanga", "seri teladan orang perjuangan wali sanga", "seri teladan nabi perjuangan wali sanga", "seri teladan sang perjuangan wali songo"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("seri telaah dan perkembangan ri songo") or ("seri teladan sang perjuangan wali sanga"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("seri telaah dan perkembangan ri songo") OR ("seri teladan sang perjuangan wali sanga")).
• Removing quotes may allow a broader search: (( seri telaah dan perkembangan ri songo ) or ( seri teladan sang perjuangan wali sanga )).
• Adding a wildcard symbol may retrieve word variants: (("seri telaah dan perkembangan ri songo") or ("seri teladan sang perjuangan wali sanga"))*.