Perhaps you should try some spelling variations:
stroke diffusion » state diffusion, stroke perfusion, stresses diffusion
modeling stroke » modeling strong, modeling stromal, modeling some
array forming » array format, array arcing, array fermi
array string » array strong, arrays strings, array sharing
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 modeling stroke diffusion ((((array using) or (array string))) or (array forming))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information modeling stroke diffusion ((((array using) OR (array string))) OR (array forming)).
• Adding a wildcard symbol may retrieve word variants: information modeling stroke diffusion ((((array using) or (array string))) or (array forming))*.