Perhaps you should try some spelling variations:
international convention » international cooperation, international context, international communication
convention based » contention based, conversion based, conversation based
based extension » based extraction
array along » arrays long, array arcing, array paving
arrays brad » arrays load, arrays based
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 convention based extension ((((array along) or (arrays ang))) or (arrays brad))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: international convention based extension ((((array along) OR (arrays ang))) OR (arrays brad)).
• Adding a wildcard symbol may retrieve word variants: international convention based extension ((((array along) or (arrays ang))) or (arrays brad))*.