Perhaps you should try some spelling variations:
external dimensions » extra dimensions, emotional dimensions, ethical dimensions
information detect » information direct, information detection, information detecting
detect external » defects external, debt external, meet external
array imaging » arrays imaging, airway imaging, ray imaging
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 detect external dimensions ((array string) or (array imaging))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information detect external dimensions ((array string) OR (array imaging)).
• Adding a wildcard symbol may retrieve word variants: information detect external dimensions ((array string) or (array imaging))*.