Perhaps you should try some spelling variations:
astronomy survives » astronomy survey, astronomy surveys, astronomy studies
moore positional » aware positional, pure positional, whole positional
astronomy series » astronomy sergey, gastronomy services, astronomy studies

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 positional ((astronomy series) OR (astronomy survives))".
• Adding a wildcard symbol may retrieve word variants: the patrick moore positional ((astronomy series) OR (astronomy survives))*.