Perhaps you should try some spelling variations:
permutation concurrent » permutations concurrent, formulation concurrent, computation concurrent
concurrent programming » constraint programming, concurrent programs
functions permutation » functions segmentation, functions computation, functions regulation
array profiling » array processing, microarray profiling
array string » array strong, arrays strings, array sharing

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

• If you are trying to use Boolean operators, they must be ALL CAPS: functions permutation concurrent programming ((array string) OR (array profiling))~.
• Adding a wildcard symbol may retrieve word variants: functions permutation concurrent programming ((array string) or (array profiling))*.