Perhaps you should try some spelling variations:
practical astronomy » nautical astronomy, optical astronomy, positional astronomy
astronomy survives » astronomy survey, astronomy surveys, astronomy studies
ics practical » mics practical, its practical, abcs practical
patrick ics » patrick c, patrick ca, patrick ch

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

• Adding a wildcard symbol may retrieve word variants: the patrick ics practical astronomy survives*.