Perhaps you should try some spelling variations:
"sub specie aeternitatis" » "sub species aeternitatis", "sub speci aeternitatis", "sub specimen aeternitatis"
"sub specics aeternitatis" » "sub species aeternitatis", "sub specifics aeternitatis", "sub speciosa aeternitatis", "sub specis aeternitatis"
"sub specic aeternitatis" » "sub speci aeternitatis", "sub specific 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 specics aeternitatis"))) or ("sub specic aeternitatis"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sub specie aeternitatis") OR ("sub specics aeternitatis"))) OR ("sub specic aeternitatis")).
• Removing quotes may allow a broader search: (((( sub specie aeternitatis ) or ( sub specics aeternitatis ))) or ( sub specic aeternitatis )).
• Adding a wildcard symbol may retrieve word variants: (((("sub specie aeternitatis") or ("sub specics aeternitatis"))) or ("sub specic aeternitatis"))*.