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 local
theory law » theology law, theory local

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 law))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: international convention janet decision ((theory level) OR (theory law)).
• Adding a wildcard symbol may retrieve word variants: international convention janet decision ((theory level) or (theory law))*.