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

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