Perhaps you should try some spelling variations:
moore positional » aware positional, pure positional, case positional
whole positional » hole position, whole political, holds positional
astronomy series » astronomy sergey, gastronomy services, astronomy survives

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