Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
economico mexicano » economico mexico, economica mexicana, economica mexico
y economico » y economia
a cirugia » la cirugia, en cirugia, de cirugia
y cirugia » en cirugia, de cirugia, la cirugia
de y » de _, de a, de 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((coleccion platino) or (coleccion practica)) de y economico mexicano ((a cirugia) or (y cirugia)).~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((coleccion platino) OR (coleccion practica)) de y economico mexicano ((a cirugia) OR (y cirugia))..
• Adding a wildcard symbol may retrieve word variants: ((coleccion platino) or (coleccion practica)) de y economico mexicano ((a cirugia) or (y cirugia)).*.