Perhaps you should try some spelling variations:
astronomy surveying » astronomy during
practical astronomy » optical astronomy, positional astronomy
astronomy surveys » astronomy survey, astronomy survives, astronomy sergey
mons practical » coins practical, boss practical, lens practical
patrick mons » patrick moyes, patrick bond, patrick mpondo
d nautical » _ nautical, a nautical, 2 nautical
patrick d » patrick _, patrick a

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 mons practical astronomy surveys ) OR ( the patrick d nautical astronomy surveying )).
• Adding a wildcard symbol may retrieve word variants: (( the patrick mons practical astronomy surveys ) or ( the patrick d nautical astronomy surveying ))*.