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 (2020) 28:
Proposal for a COUNCIL DECISION amending Decision (EU) 2019/274 on the signing, on behalf of the European Union and of the
European Atomic Energy Community, of the Agreement on the withdrawal of the United Kingdom of Great Britain and Northern Ireland
from the European Union and the European Atomic Energy Community