Perhaps you should try some spelling variations:
practice dimensions » practical dimensions, practice dimensioning, practice directions
information age » information storage
array formulas » area formulas, harrop formulas, array formats
age practice » aged practice, agile practice, lange practice
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 age practice dimensions ((((array string) or (array formulas))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information age practice dimensions ((((array string) OR (array formulas))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: information age practice dimensions ((((array string) or (array formulas))) or (array format))*.