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" » "et latvia estonia", "et latvian estonian", "et place estonian", "res slavica estonian", "_ slavica estonian"
"et latvian social" » "et latvia's social", "et asian social", "et adrian social", "_ latvian social", "10 latvian social", "7 latvian social"

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