Perhaps you should try some spelling variations:
oto-rhino-laryngology » otto-rhino-laryngology, otro-rhino-laryngology, soto-rhino-laryngology, oto-rhine-laryngology, oto-reino-laryngology
oto-rhino-otolaryngology » otto-rhino-ottolaryngology, otro-rhino-otrolaryngology, soto-rhino-sotolaryngology, oto-rhine-otolaryngology, oto-reino-otolaryngology
opto-rhino-laryngology » opto-rhine-laryngology, opto-reino-laryngology, otto-rhino-laryngology, opt-rhino-laryngology
onto-rhino-laryngology » onto-rhine-laryngology, onto-reino-laryngology, otto-rhino-laryngology, unto-rhino-laryngology, ont-rhino-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-rhino-laryngology) OR onto-rhino-laryngology ) OR oto-rhino-otolaryngology ).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(advances or advanced) in (((oto-rhino-laryngology OR opto-rhino-laryngology) or onto-rhino-laryngology ) or oto-rhino-otolaryngology )".
• Adding a wildcard symbol may retrieve word variants: (advances or advanced) in (((oto-rhino-laryngology OR opto-rhino-laryngology) or onto-rhino-laryngology ) or oto-rhino-otolaryngology )*.