Perhaps you should try some spelling variations:
international convention » international cooperation, international context, international communication
convention based » contention based, conversion based, conversation based
precision data » precision dairy, precision a, precision cut
decision data » decisions data, decision gate, decision aid

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 ((decision data) OR (precision data)) saving~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "international convention based ((decision data) OR (precision data)) saving".
• Adding a wildcard symbol may retrieve word variants: international convention based ((decision data) OR (precision data)) saving*.