Perhaps you should try some spelling variations:
informational instruments » information instruments, international instruments, national instruments
information instrumental » information instruments, deformation instrument, transformational instrumental
control extending » control enhancing, control leading
extending array » extendible array, extending arc, extending fortran
array paving » array planning, array imaging, array probing

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((information instrumental) OR (informational instruments)) control extending array paving~".
• Adding a wildcard symbol may retrieve word variants: ((information instrumental) OR (informational instruments)) control extending array paving*.