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) 20:
Proposal for a Council Regulation concerning customs action against goods suspected of infringing certain intellectual property
rights and the measures to be taken against goods found to have infringed such rights