Perhaps you should try some spelling variations:
"et slavica estonian" » "et latvian estonian", "et place estonian", "_ slavica estonian"
"res slavica estonian" » "res latvian estonian", "res place estonian"
"et latvia estonia" » "_ latvia estonia", "et latina estonia", "1 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 ("et latvia estonia"))) OR ("res slavica estonian")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"et slavica estonian\") OR (\"et latvia estonia\"))) or (\"res slavica estonian\"))".
• Removing quotes may allow a broader search: (((( et slavica estonian ) OR ( et latvia estonia ))) or ( res slavica estonian )).
• Adding a wildcard symbol may retrieve word variants: (((("et slavica estonian") OR ("et latvia estonia"))) or ("res slavica estonian"))*.