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

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