Perhaps you should try some spelling variations:
international operational » international operations, international international, international cooperation
operational based » operation based, operations based, operational land
based computation » based computational, based communication, based computing
array paving » array planning, array imaging, array probing
array string » array strong, arrays strings, array sharing
arrays ang » arrays a

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

• Performing a fuzzy search may retrieve terms with similar spellings: international operational based computation ((((array paving) or (array string))) or (arrays ang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: international operational based computation ((((array paving) OR (array string))) OR (arrays ang)).
• Adding a wildcard symbol may retrieve word variants: international operational based computation ((((array paving) or (array string))) or (arrays ang))*.