Perhaps you should try some spelling variations:
anejo » anejos (Expand Search)
boce » boces (Expand Search), bone (Expand Search), boca (Expand Search)
xviii » viii (Expand Search), xvii (Expand Search), xviiii (Expand Search), xxviii (Expand Search)
xviiii » viiii (Expand Search), xviii (Expand Search), xviiiii (Expand Search), xxviiii (Expand Search)
xxviii » xviii (Expand Search), xxvii (Expand Search), xxiii (Expand Search), xxviiii (Expand Search), xxxviii (Expand Search)
vii » viii (Expand Search), xvii (Expand Search)
lxxxiii » lxxiii (Expand Search)
xiii » iii (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 boce (((xviii or xviiii) or (xxviii or (lxxxiii or lxxxiii))) or (vii or xiii))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: anejo del boce (((xviii OR xviiii) OR (xxviii OR (lxxxiii OR lxxxiii))) OR (vii OR xiii)).
• Adding a wildcard symbol may retrieve word variants: anejo del boce (((xviii or xviiii) or (xxviii or (lxxxiii or lxxxiii))) or (vii or xiii))*.