Perhaps you should try some spelling variations:
"seri keteladanan guru perkembangan anak songo" » "seri keteladanan ilmu perkembangan anak songo", "seri keteladanan suap perkembangan anak songo", "seri keteladanan negara perkembangan anak songo", "seri teladan guru perkembangan anak songo"
"seri keteladanan dan keuangan ii songo" » "seri teladan dan keuangan ii songo", "seri keteladanan dan perjuangan ii songo", "seri keteladanan dan keuangan di songo", "seri keteladanan dan keuangan ri songo", "seri keteladanan dan keuangan 1 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 keteladanan guru perkembangan anak songo") or ("seri keteladanan dan keuangan ii songo"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("seri keteladanan guru perkembangan anak songo") OR ("seri keteladanan dan keuangan ii songo")).
• Removing quotes may allow a broader search: (( seri keteladanan guru perkembangan anak songo ) or ( seri keteladanan dan keuangan ii songo )).
• Adding a wildcard symbol may retrieve word variants: (("seri keteladanan guru perkembangan anak songo") or ("seri keteladanan dan keuangan ii songo"))*.