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 (2005) 653:
Proposal for a Regulation of the European Parliament and of the Council amending Council Regulation (EC) No 2223/96 with
respect to the transmission of national accounts data