Perhaps you should try some spelling variations:
"elgar retinal conference" » "elgar regional conference", "elgar regional conferences", "elgar retrieval conference", "tear retinal conference", "ar retinal conference"
elgar original » angr original, la original
einer original » eines originals, either original, ein original

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("((elgar original) OR (einer original)) conference") OR ("elgar retinal conference")).
• Removing quotes may allow a broader search: (( ((elgar original) OR (einer original)) conference ) or ( elgar retinal conference )).
• Adding a wildcard symbol may retrieve word variants: (("((elgar original) OR (einer original)) conference") or ("elgar retinal conference"))*.