Perhaps you should try some spelling variations:
"suna latvian estonian" » "suna latvia estonia", "songs latvian estonian", "using latvian estonian"
"acta slavica estonian" » "acta latvia estonia", "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"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"acta slavica estonian\") OR (((\"acta latvian social\") OR (\"suna latvian estonian\"))))".
• Removing quotes may allow a broader search: (( acta slavica estonian ) OR ((( acta latvian social ) OR ( suna latvian estonian )))).
• Adding a wildcard symbol may retrieve word variants: (("acta slavica estonian") OR ((("acta latvian social") OR ("suna latvian estonian"))))*.