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).
Query: (PS_ID="guideline:2015:571:2024-10-14" OR (DTN_ELI=571 AND DTA=2015 AND FM_CODED=GUIDELINE AND DTC=false)) NOT ELI = NULL, Search language: English