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 (1993) 505 - 2:
Proposal for a COUNCIL DIRECTIVE amending Annex II to Directive 90/642/EEC relating to the fixing of maximum levels for
pesticide residues in and on certain products of plant origin, including fruit and vegetables and providing for the establishment
of a list of maximum levels