F.ex. toxic* finds toxic, toxcity, toxicology, toxicological etc.
F.ex. "critical path*" finds critical path, critical pathway, critical pathways etc.
If your search string includes alternative search words, combine them with OR-operator. If you use both AND- and OR-operator in the same search string, you need to add brackets.
F.ex. ("clinical path**" OR "critical path*" OR "care path*") AND digital*
F.ex. (dementia OR alzheimer*) AND (canine* OR dog*) AND therap*