Perhaps you should try some spelling variations:
computation constraints » computational constraints, computations constrained, communication constraints
constraints programming » constraint programming, constrained programming, constraint programing
functions computation » function computation, functions composition, function composition
microarray profiling » microrna 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 computation constraints programming ((array string) OR (microarray profiling))~.
• Adding a wildcard symbol may retrieve word variants: functions computation constraints programming ((array string) or (microarray profiling))*.