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) 632:
Proposal for a Council Decision on the accession of the Community to United Nations Economic Commission for Europe Regulation
No. 107 on provisions concerning the approval of category M2 or M3 vehicles with regard to their general construction