Perhaps you should try some spelling variations:
information code » information coder, information core, information model
stroke perfusion » stroke diffusion, stroke depression
array profiling » array processing, microarray profiling
array string » array strong, arrays strings, array sharing
code stroke » acute stroke, roger stroke
array using » arrays using

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

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