Perhaps you should try some spelling variations:
"et slavica estonian" » "et place estonian", "res slavica estonian", "_ slavica estonian"
"toth latvian estonian" » "toth latvian social", "youth latvia estonian", "youth latvian estonian"
"toth latvia 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: (("et slavica estonian") OR ((("toth latvian estonian") OR ("toth latvia estonia")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"et slavica estonian\") or (((\"toth latvian estonian\") OR (\"toth latvia estonia\"))))".
• Removing quotes may allow a broader search: (( et slavica estonian ) or ((( toth latvian estonian ) OR ( toth latvia estonia )))).
• Adding a wildcard symbol may retrieve word variants: (("et slavica estonian") or ((("toth latvian estonian") OR ("toth latvia estonia"))))*.