Perhaps you should try some spelling variations:
practical applications » clinical applications
applications fast » applications from
fast impression » first impression, false impression, fast compression
array profiling » array processing, microarray profiling
array paving » array planning, array imaging, array probing
array string » array strong, arrays strings, array sharing

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

• Performing a fuzzy search may retrieve terms with similar spellings: practical applications fast impression ((array paving) or (((array string) or (array profiling))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: practical applications fast impression ((array paving) OR (((array string) OR (array profiling)))).
• Adding a wildcard symbol may retrieve word variants: practical applications fast impression ((array paving) or (((array string) or (array profiling))))*.