Perhaps you should try some spelling variations:
"sub specic aeternitatis" » "sub specific aeternitatis", "sub speckc aeternitatis", "sub speckic aeternitatis", "sub speic aeternitatis", "sub pecic aeternitatis"
"sub speci aeternitatis" » "sub speck aeternitatis", "sub specki aeternitatis", "sub spei aeternitatis", "sub peci aeternitatis"
"sub spec aeternitatis" » "sub speck aeternitatis", "sub spe aeternitatis", "sub pec aeternitatis"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("sub specic aeternitatis") or ((("sub speci aeternitatis") OR ("sub spec aeternitatis"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sub specic aeternitatis") OR ((("sub speci aeternitatis") OR ("sub spec aeternitatis"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sub specic aeternitatis\") or (((\"sub speci aeternitatis\") OR (\"sub spec aeternitatis\"))))*".
• Removing quotes may allow a broader search: (( sub specic aeternitatis ) or ((( sub speci aeternitatis ) OR ( sub spec aeternitatis ))))*.