Perhaps you should try some spelling variations:
astronomy surveys » astronomy survey, astronomy surveying, astronomy survives
patrick hanks » patrick hanc, patrick chames, patrick hall
patrick hoc » patrick home, patrick hanc, patrick c

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: the ((patrick hoc) OR (patrick hanks)) nautical astronomy surveys.
• Adding a wildcard symbol may retrieve word variants: the ((patrick hoc) or (patrick hanks)) nautical astronomy surveys*.