Perhaps you should try some spelling variations:
practical dimensions » practice dimensions, didactical dimensions, political dimensions
information units » information united, information its, information using
units practical » unit practical, its practical, fruits practical
array formats » assay formats, array formulas, ready formats
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 units practical dimensions ((((array string) or (array formats))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information units practical dimensions ((((array string) OR (array formats))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: information units practical dimensions ((((array string) or (array formats))) or (array format))*.