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

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-reino-laryngology).
• Adding a wildcard symbol may retrieve word variants: (advances or advanced) in (oto-rhino-laryngology or opto-reino-laryngology)*.