Perhaps you should try some spelling variations:
information coverage » information brokerage, information governance, information corporate
surface expression » surface erosion
coverage surface » average surface, coverage urban, lineage surface
array forming » array format, array arcing, array fermi
array probing » arrays probing, assay probing, array profiling
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 coverage surface expression ((array string) or (((array forming) or (array probing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information coverage surface expression ((array string) OR (((array forming) OR (array probing)))).
• Adding a wildcard symbol may retrieve word variants: information coverage surface expression ((array string) or (((array forming) or (array probing))))*.