Perhaps you should try some spelling variations:
anejo » anejos (Expand Search)
boces » bones (Expand Search), oces (Expand Search), boce (Expand Search)
xxviii » xxiii (Expand Search), xviii (Expand Search), xxvii (Expand Search), xxviiii (Expand Search), xxxviii (Expand Search)
xiii » iii (Expand Search)
xxxxiiii » xxxiiii (Expand Search), lxxxiii (Expand Search)
xviii » viii (Expand Search), xvii (Expand Search), xviiii (Expand Search), xxviii (Expand Search)
xxxvii » xxxviii (Expand Search), xxxxvii (Expand Search)
vii » viii (Expand Search), xvii (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: anejo del boces (((xxviii or (xiii or xviii)) or (xxviii or (xxxvii or xxxxiiii))) or vii)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: anejo del boces (((xxviii OR (xiii OR xviii)) OR (xxviii OR (xxxvii OR xxxxiiii))) OR vii).
• Adding a wildcard symbol may retrieve word variants: anejo del boces (((xxviii or (xiii or xviii)) or (xxviii or (xxxvii or xxxxiiii))) or vii)*.