Perhaps you should try some spelling variations:
information support » information report, information supply
surface expression » surface erosion
support surface » support surfaces, support service, support services
array formulas » area formulas, harrop formulas, array 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 support surface expression ((array string) or (((array formulas) or (array format))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information support surface expression ((array string) OR (((array formulas) OR (array format)))).
• Adding a wildcard symbol may retrieve word variants: information support surface expression ((array string) or (((array formulas) or (array format))))*.