Perhaps you should try some spelling variations:
visualization efficient » visualization efficiency, minimization efficient, scalarization efficient
efficient pairing » efficient pairwise, efficient planning, efficient string
array string » array strong, arrays strings, array sharing
arrays long » arrays ang, arrays load, array along
array long » array along, array strong

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: information visualization efficient pairing ((((array long) or (arrays long))) or (array string))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information visualization efficient pairing ((((array long) OR (arrays long))) OR (array string)).
• Adding a wildcard symbol may retrieve word variants: information visualization efficient pairing ((((array long) or (arrays long))) or (array string))*.