Perhaps you should try some spelling variations:
relational dimensional » relational dimension, fractional dimensional, relations dimension
information about » information age, information a
about relational » about rational, about relations, about operational
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 about relational dimensional ((array string) or (array imaging))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information about relational dimensional ((array string) OR (array imaging)).
• Adding a wildcard symbol may retrieve word variants: information about relational dimensional ((array string) or (array imaging))*.