Perhaps you should try some spelling variations:
"sub specie aeternitatis" » "sub species aeternitatis", "sub speci aeternitatis", "sub specic aeternitatis", "sub speciie aeternitatis", "sub speckie aeternitatis", "sub speie aeternitatis"
"sub spece aeternitatis" » "sub space aeternitatis", "sub spice aeternitatis", "sub spce aeternitatis", "sub specie aeternitatis", "sub specke aeternitatis", "sub spee aeternitatis"
"sub spec aeternitatis" » "sub speci aeternitatis", "sub speck aeternitatis", "sub spe 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 specie aeternitatis") OR ("sub spece aeternitatis"))) OR ("sub spec aeternitatis"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"sub specie aeternitatis\") OR (\"sub spece aeternitatis\"))) OR (\"sub spec aeternitatis\"))".
• Removing quotes may allow a broader search: (((( sub specie aeternitatis ) OR ( sub spece aeternitatis ))) OR ( sub spec aeternitatis )).
• Adding a wildcard symbol may retrieve word variants: (((("sub specie aeternitatis") OR ("sub spece aeternitatis"))) OR ("sub spec aeternitatis"))*.