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 (2003) 533:
Commission Policy Paper for transmission to the Council and the European Parliament - A maturing partnership - shared interests
and challenges in EU-China relations (Updating the European Commission's Communications on EU-China relations of 1998 and
2001)