Perhaps you should try some spelling variations:
information source » information sources, information resource, information resources
tools dimensional » two dimensional, tool dimensions, wood dimensional
array processing » dairy processing, query processing
array imaging » arrays imaging, airway imaging, ray imaging
source tools » source books, source book
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: information source tools dimensional ((((array processing) or (array string))) or (array imaging))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information source tools dimensional ((((array processing) OR (array string))) OR (array imaging)).
• Adding a wildcard symbol may retrieve word variants: information source tools dimensional ((((array processing) or (array string))) or (array imaging))*.