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 (2007) 803 - 5:
Commission Recommendation on the broad guidelines for the economic policies of the Member States and the Community (under
Article 99 of the EC Treaty)