Perhaps you should try some spelling variations:
"acta latvian estonian" » "acta latvia estonia", "acta latvian social", "toth latvian estonian"
"suna latvian estonian" » "suna latvia estonia", "suna latvian social", "songs latvian estonian", "using latvian estonian"
"et slavica estonian" » "et latvia estonia", "et place estonian", "res slavica estonian", "_ slavica estonian"

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 latvian estonian") OR ("suna latvian estonian"))) OR ("et slavica estonian"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"acta latvian estonian\") OR (\"suna latvian estonian\"))) or (\"et slavica estonian\"))*".
• Removing quotes may allow a broader search: (((( acta latvian estonian ) OR ( suna latvian estonian ))) or ( et slavica estonian ))*.