Perhaps you should try some spelling variations:
concurrent programming » constraint programming, concurrent programs
array formulas » area formulas, harrop formulas, array formats
information a » information age
array probing » arrays probing, assay probing, array profiling
a concurrent » _ concurrent

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

• Performing a fuzzy search may retrieve terms with similar spellings: information a concurrent programming ((((array formulas) or (array format))) or (array probing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information a concurrent programming ((((array formulas) OR (array format))) OR (array probing)).
• Adding a wildcard symbol may retrieve word variants: information a concurrent programming ((((array formulas) or (array format))) or (array probing))*.