Perhaps you should try some spelling variations:
"sub spec aeternitatis" » "sub speck aeternitatis", "sub spe aeternitatis", "sub pec aeternitatis"
"sub speci aeternitatis" » "sub specki aeternitatis", "sub spei aeternitatis", "sub peci aeternitatis", "sub specic aeternitatis", "sub speck aeternitatis"
"sub spce aeternitatis" » "sub space aeternitatis", "sub spice aeternitatis", "sub spces 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 spec aeternitatis") or ("sub spce aeternitatis"))) or ("sub speci aeternitatis"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sub spec aeternitatis") OR ("sub spce aeternitatis"))) OR ("sub speci aeternitatis")).
• Removing quotes may allow a broader search: (((( sub spec aeternitatis ) or ( sub spce aeternitatis ))) or ( sub speci aeternitatis )).
• Adding a wildcard symbol may retrieve word variants: (((("sub spec aeternitatis") or ("sub spce aeternitatis"))) or ("sub speci aeternitatis"))*.