Perhaps you should try some spelling variations:
item extensions » stem extension, shmem extensions, new extensions
array profiling » array processing, microarray profiling
array formulas » area formulas, harrop formulas, array format
problem item » problem its, problem it's, problem stemma
array string » array strong, arrays strings, array sharing
creative » creating, create

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: creative problem item extensions ((array formulas) OR (((array string) OR (array profiling))))~.
• Adding a wildcard symbol may retrieve word variants: creative problem item extensions ((array formulas) or (((array string) or (array profiling))))*.