Perhaps you should try some spelling variations:
international convention » international cooperation, international context, international communication
convention fort » convention los, convention what, conventional food
fort extraction » force extraction, root extraction, fast extraction
methods links » methods linda, methods linear, methods land
methods blind » method blind, methods linda, methods beyond
methods line » methods linear, methods linda, methods land

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 fort extraction ((((methods links) OR (methods line))) or (methods blind))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: international convention fort extraction ((((methods links) OR (methods line))) OR (methods blind)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "international convention fort extraction ((((methods links) OR (methods line))) or (methods blind))".
• Adding a wildcard symbol may retrieve word variants: international convention fort extraction ((((methods links) OR (methods line))) or (methods blind))*.