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 (1994) 405 - 2:
Draft COUNCIL AND A COMMISSION DECISION ON THE SIGNING OF THE EUROPEAN ENERGY CHARTER TREATY AND ITS PROVISIONAL APPLICATION
BY THE EUROPEAN COAL AND STEEL COMMUNTIY AND THE EUROPEAN ATOMIC ENERGY COMMUNITY