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).
Council of the European Union: Règlement/CEE/CS 259/68/art 63, 64, 65, 82, 20 ; CECA/Protocole/Privilèges/art13 ; CEE/Protocole/Privilèges/art13 Commission: Traité/FUSION/art 24