We need setup a search which shows results based on relevancy.
below all terms are related to cardiology, so when someone type cardiology in search, WordPress should suggest all the pages with these terms and vise versa. when searching other pages, it should suggest cardiology and other cardiology related posts.
Is there any chance achieving using your plugin using ACF custom field and tag the pages?
Cardiology – Heart, Cardiovascular disease, CVD, Heart Failure, HF, Congestive Heart Failure, Chronic Heart Failure, CHF, AF, Atrial Fibrillation, Coronary Heart Disease, CHD, Acute Coronary Syndrome, ACS, Myocardial infarction, MI, IHD,
Ischaemic Heart Disease