Perhaps you should try some spelling variations:
informational instruments » information instruments, international instruments, information instrumental
microarray profiling » microrna profiling
instruments control » instrument control, instruments controlling, instruments dental
control extensions » central extensions, central extension, control extending
array processing » dairy processing, query processing

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

• Performing a fuzzy search may retrieve terms with similar spellings: informational instruments control extensions ((microarray profiling) or (array processing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: informational instruments control extensions ((microarray profiling) OR (array processing)).
• Adding a wildcard symbol may retrieve word variants: informational instruments control extensions ((microarray profiling) or (array processing))*.