Perhaps you should try some spelling variations:
astronomy studies » astronomy study, economy studies, astronomy status
moore positional » aware positional, pure positional, whole positional
board nautical » board practical, board national, board neutral
patrick board » patrick bond, patrick hubbard, patrick leonard

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 moore positional astronomy studies ) OR ( the patrick board nautical astronomy studies )).
• Adding a wildcard symbol may retrieve word variants: (( the patrick moore positional astronomy studies ) or ( the patrick board nautical astronomy studies ))*.