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 (2008) 352:
Proposal for a Council Decision Approving on behalf of the Community Annex 8 to the International Convention on the Harmonisation
of Frontier Controls of Goods