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) 212:
Communication from the Commission to the Council and the European Parliament - European Space Policy {SEC(2007) 504} {SEC(2007)
505} {SEC(2007) 506}