Perhaps you should try some spelling variations:
astronomy surveys » astronomy survey, astronomy surveying, astronomy survives
moore national » moors national, more national, before national
i nautical » ii nautical, _ nautical, a nautical

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