Perhaps you should try some spelling variations:
blades mechanical » glasses mechanical, blocks mechanical, cases mechanical
blocks technical » blocks mechanical, banks technical, hooks technical
basics technical » basic technical, basics techniques, basic technique

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: word ((((blocks technical) OR (basics technical))) OR (blades mechanical)) paper.
• Adding a wildcard symbol may retrieve word variants: word ((((blocks technical) or (basics technical))) or (blades mechanical)) paper*.