The emc allows words or phrases to be found within the SmPC document text
Next to the main search box, click on advanced search
At the top, select the option "By word or phrase"
Type your search terms into the appropriate search boxes
Make sure that the 'search full document' box is ticked
If you want to search for a word or phrase in a specific section of an SmPC, this can also be done on the advanced search page, using the 'By SmPC section' tab at the top