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).
COM (2011) 762:
Proposal for a COUNCIL DECISION establishing the position to be adopted on behalf of the European Union within the World
Trade Organization (WTO) as regards requests under Article IX of the Marrakesh Agreement establishing the World Trade Organization
(the WTO Agreement) for granting and/or extending certain waivers