Talvez debería tentar con algunhas variantes ortográficas:
student expression » student aggression, htert expression, stress expression
based student » based study, based studies
array imaging » arrays imaging, airway imaging, ray imaging
array forming » array format, array fermi, array formats
array arcing » array probing, array sharing, array 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 based student expression ((array imaging) or (((array forming) or (array arcing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information based student expression ((array imaging) OR (((array forming) OR (array arcing)))).
• Adding a wildcard symbol may retrieve word variants: information based student expression ((array imaging) or (((array forming) or (array arcing))))*.