Selects documents that contain all of your search elements. Documents
retrieved using the ALL operator are not relevance-ranked.
Scores cannot be assigned to this operator.
To select documents which contain stemmed variations of the phrase "pharmaceutical companies" and stemmed variations of the word "stock", you can enter the following:
pharmaceutical companies ALL stock ALL (pharmaceutical companies, stock)
Only those documents that contain both search elements, or stemmed variations of them (for example, "pharmaceutical company", "stocks", etc.), are retrieved. Each retrieved document is assigned a score of 100.