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 (2001) 301:
Communication from the Commission to the Council and the European Parliament on the implementation of the EU Action Plan
on Drugs (2000-2004)