Perhaps you should try some spelling variations:
oto-rhino-laryngology" » otto-rhino-laryngology", onto-rhino-laryngology", otro-rhino-laryngology", oto-rhine-laryngology", oto-reino-laryngology", oto-rhino-otolaryngology"
opto-rhino-laryngology" » opto-rhine-laryngology", opto-reino-laryngology", opto-rhino-otolaryngology", otto-rhino-laryngology", onto-rhino-laryngology", opt-rhino-laryngology"

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: "(advances OR advanced) in (oto-rhino-laryngology" OR opto-rhino-laryngology").
• Removing quotes may allow a broader search: (advances or advanced) in (oto-rhino-laryngology OR opto-rhino-laryngology ).
• Adding a wildcard symbol may retrieve word variants: "(advances or advanced) in (oto-rhino-laryngology" OR opto-rhino-laryngology")*.