Perhaps you should try some spelling variations:
"acta slavica estonian" » "acta latvia estonia", "acta latvian estonian", "acta place estonian", "anna slavina estonian", "art slavic estonian", "et slavica estonian"
"acta latvian social" » "acta latvia's social", "acta asian social", "acta adrian social", "toth latvian social"
"suna latvian social" » "suna latvia's social", "suna asian social", "suna adrian social", "songs latvian social", "using latvian social"
"songs latin estonian" » "songs latvian estonian", "songs large estonian", "songs latvia estonia"

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("acta slavica estonian") OR ((((("acta latvian social") OR ("suna latvian social"))) OR ("songs latin estonian")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"acta slavica estonian\") or (((((\"acta latvian social\") OR (\"suna latvian social\"))) or (\"songs latin estonian\"))))".
• Removing quotes may allow a broader search: (( acta slavica estonian ) or ((((( acta latvian social ) OR ( suna latvian social ))) or ( songs latin estonian )))).
• Adding a wildcard symbol may retrieve word variants: (("acta slavica estonian") or ((((("acta latvian social") OR ("suna latvian social"))) or ("songs latin estonian"))))*.