In the 'Form' tab there is a search function labelled 'Field finder'. You can use this search tool to find fields based on the field label or variable name. This function will search within all study, report and survey fields for the entered word.
In the provided example, the search term 'date' shows all instances of the word date in the entire study and indicates the field label, where the field is located in the study and the variable name (where applicable):
Clicking on a field will take you directly to the field editor.