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 (1985) 811:
PROPOSAL FOR A COUNCIL DIRECTIVE AMENDING, OWING TO THE ACCESSION OF SPAIN AND PORTUGAL, DIRECTIVE 72/280/EEC ON THE STATISTICAL
SURVEYS TO BE CARRIED OUT BY MEMBER STATES ON MILK AND MILK PRODUCTS