Perhaps you should try some spelling variations:
international convention » international cooperation, international context, international communication
convention janet » convention james, convention aine, convention area
janet decision » manet decision, market decision, agent decision
theory level » theory several, every level, theory life
theory lewis » theory law, harry lewis, theory logic
theory local » theory law

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 janet decision ((((theory level) OR (theory lewis))) or (theory local))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: international convention janet decision ((((theory level) OR (theory lewis))) OR (theory local)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "international convention janet decision ((((theory level) OR (theory lewis))) or (theory local))".
• Adding a wildcard symbol may retrieve word variants: international convention janet decision ((((theory level) OR (theory lewis))) or (theory local))*.