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 (1997) 634:
Proposal for a Council Regulation (EC, Euratom) on assistance to the applicant countries in central and eastern Europe in
the framework of the pre-accession strategy