Perhaps you should try some spelling variations:
international convention » international cooperation, international context, international communication
4 dimensional » _ dimensional, 3 dimensional, 2 dimensional
convention 4 » convention _, convention a, convention 3
methods line » methods linda, methods blind, methods links
method blind » methods blind, methods linda, method based

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 4 dimensional ((methods linear) or (((methods line) or (method blind))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: international convention 4 dimensional ((methods linear) OR (((methods line) OR (method blind)))).
• Adding a wildcard symbol may retrieve word variants: international convention 4 dimensional ((methods linear) or (((methods line) or (method blind))))*.