Perhaps you should try some spelling variations:
blocks graphical » blocks radical, brown's graphical, objects graphical
blocks practical » clocks practical, books practical, rocks practical
astronomy sergey » astronomy survey, astronomy surveys, astronomy seven
lock graphical » click graphical, work graphical, c graphical

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 ((((blocks graphical) OR (lock graphical))) OR (blocks practical)) astronomy sergey.
• The words AND, OR and NOT may confuse the search; try adding quotes: "the patrick ((((blocks graphical) OR (lock graphical))) or (blocks practical)) astronomy sergey".
• Adding a wildcard symbol may retrieve word variants: the patrick ((((blocks graphical) OR (lock graphical))) or (blocks practical)) astronomy sergey*.