You can access the HTML version of The National Searching Guidance at https://library.hee.nhs.uk/learning-academy/learning-zone/evidence-searching/national-searching-guidance
Is is also available to colleagues from London and the South of England via the "KLS Search and Training Forums (London, South East and South West)" FutureNHS workspace at https://future.nhs.uk/LON_SEL_SWL_KLSSearchTraining/view?objectId=39645680
If you have trouble viewing the pdf version of the guidance and would like a copy, please contact adam.tocock@nhs.net.