Perhaps you should try some spelling variations:
information requirement » information requirements, information measurement, information procurement
requirement level » requirements steven, requirement driven, requirement reuse
level dimensional » level dimensions, five dimensional, lower dimensional
arrays imaging » array imaging, assays imaging, pathways imaging
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 requirement level dimensional ((array string) or (arrays imaging))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information requirement level dimensional ((array string) OR (arrays imaging)).
• Adding a wildcard symbol may retrieve word variants: information requirement level dimensional ((array string) or (arrays imaging))*.