Perhaps you should try some spelling variations:
astronomy studies » astronomy study, economy studies, astronomy status
moore nautical » board nautical, moore national, some nautical
mile nautical » i nautical, ii nautical, some nautical

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "the patrick ((moore nautical) OR (mile nautical)) astronomy studies".
• Adding a wildcard symbol may retrieve word variants: the patrick ((moore nautical) OR (mile nautical)) astronomy studies*.