Perhaps you should try some spelling variations:
onto-rhino-laryngology" » otto-rhino-laryngology", unto-rhino-laryngology", ont-rhino-laryngology", onto-rhine-laryngology", onto-reino-laryngology"
onto-rhino-otolaryngology" » otto-rhino-otolaryngology", unto-rhino-otolaryngology", ont-rhino-otolaryngology", onto-rhine-otolaryngology", onto-reino-otolaryngology"
opto-rhino-laryngology" » opto-rhine-laryngology", opto-reino-laryngology", otto-rhino-laryngology", opt-rhino-laryngology"
opto-reine-laryngology" » otto-reine-laryngology", opt-reine-laryngology", opto-reiner-laryngology", opto-seine-laryngology", opto-reihe-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 ((onto-rhino-laryngology" OR onto-rhino-otolaryngology") OR (opto-rhino-laryngology" or opto-reine-laryngology")).
• Removing quotes may allow a broader search: (advances or advanced) in ((onto-rhino-laryngology OR onto-rhino-otolaryngology ) or (opto-rhino-laryngology or opto-reine-laryngology )).
• Adding a wildcard symbol may retrieve word variants: "(advances or advanced) in ((onto-rhino-laryngology" OR onto-rhino-otolaryngology") or (opto-rhino-laryngology" or opto-reine-laryngology"))*.