Perhaps you should try some spelling variations:
"sub specie aeternitatis" » "sub species aeternitatis", "sub specic aeternitatis", "sub specimen aeternitatis", "sub specice aeternitatis", "sub spece aeternitatis", "sub specke aeternitatis"
"sub specics aeternitatis" » "sub species aeternitatis", "sub specic aeternitatis", "sub specifics aeternitatis", "sub speciccs aeternitatis", "sub speccs aeternitatis", "sub speckcs aeternitatis"
"sub speci aeternitatis" » "sub specic aeternitatis", "sub spec aeternitatis", "sub speck 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 speci aeternitatis"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sub specie aeternitatis") OR ("sub specics aeternitatis"))) OR ("sub speci aeternitatis"))*.
• Removing quotes may allow a broader search: (((( sub specie aeternitatis ) or ( sub specics aeternitatis ))) or ( sub speci aeternitatis ))*.