Use quotation marks to search for an "exact phrase". Append an asterisk (*) to a search term to find variations of it (transp*, 32019R*). Use a question mark (?) instead of a single character in your search term to find variations of it (ca?e finds case, cane, care).
Subdomain: Lawmaking procedures, Directory code, 3rd level: Relations in the context of the General Agreement on Tariffs and Trade (GATT), Search language: English