Perhaps you should try some spelling variations:
"acta slavica estonian" » "acta place estonian", "anna slavina estonian", "art slavic estonian", "et slavica estonian"
"acta latvian estonian" » "acta latvian social", "suna latvian estonian", "toth latvian estonian"
"toth latvia estonia" » "toth latvian estonia", "youth latvia estonia"

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 estonian") OR ("toth latvia estonia")))).
• Removing quotes may allow a broader search: (( acta slavica estonian ) or ((( acta latvian estonian ) or ( toth latvia estonia )))).
• Adding a wildcard symbol may retrieve word variants: (("acta slavica estonian") or ((("acta latvian estonian") or ("toth latvia estonia"))))*.