Perhaps you should try some spelling variations:
"sub speces aeternitatis" » "sub species aeternitatis", "sub speeches aeternitatis", "sub speckes aeternitatis", "sub spees aeternitatis"
"sub spectres aeternitatis" » "sub spectrums aeternitatis", "sub species aeternitatis", "sub spectrum aeternitatis", "sub specitres aeternitatis", "sub specktres aeternitatis", "sub spetres 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 speces aeternitatis") OR ("sub spectres aeternitatis"))) or ("sub spec aeternitatis"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sub speces aeternitatis") OR ("sub spectres aeternitatis"))) OR ("sub spec aeternitatis"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"sub speces aeternitatis\") OR (\"sub spectres aeternitatis\"))) or (\"sub spec aeternitatis\"))*".
• Removing quotes may allow a broader search: (((( sub speces aeternitatis ) OR ( sub spectres aeternitatis ))) or ( sub spec aeternitatis ))*.