Perhaps you should try some spelling variations:
anejo » anejos (Expand Search)
boces » bones (Expand Search), oces (Expand Search), boce (Expand Search)
xvii » xviii (Expand Search), xvi (Expand Search), xii (Expand Search)
xxviiii » xxviiiii (Expand Search), xxviii (Expand Search), xxiiii (Expand Search), xviiii (Expand Search)
xxviii » xxviiii (Expand Search), xxvii (Expand Search), xxiii (Expand Search), xviii (Expand Search)
xiii » iii (Expand Search)
xxxiiii » xxiiii (Expand Search), xxxviii (Expand Search), xxxxiii (Expand Search)
xiiii » iiii (Expand Search), xviii (Expand Search), xxiii (Expand Search)
vii » viii (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 ((xvii or (xiii or ((xxviiii or xxviii) or (xxxiiii or xiiii)))) or vii)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: anejo del boces ((xvii OR (xiii OR ((xxviiii OR xxviii) OR (xxxiiii OR xiiii)))) OR vii).
• Adding a wildcard symbol may retrieve word variants: anejo del boces ((xvii or (xiii or ((xxviiii or xxviii) or (xxxiiii or xiiii)))) or vii)*.