Perhaps you should try some spelling variations:
communication informatics » communication information, communications information, communicating information
informatics fast » informatics _
fast extensor » first extensor, fast extended
array imaging » arrays imaging, airway imaging, ray 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: communication informatics fast extensor ((array string) OR (((arrays using) OR (array imaging))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication informatics fast extensor ((array string) OR (((arrays using) OR (array imaging))))".
• Adding a wildcard symbol may retrieve word variants: communication informatics fast extensor ((array string) OR (((arrays using) OR (array imaging))))*.