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 (2006) 525:
Proposal for a Council Directive adapting certain directives in the field of freedom of movement of persons, by reason of
the accession of the Republic of Bulgaria and Romania