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