Question

to make an exact phrase appear in all the results
to ensure all search terms appear in the results
to ensure that at least one of the search terms appear in the results
to exclude specific words from the results
quotation marks

the and operator

the or operator

the minus sign

Explanation:

• Quotation marks: Used to search for an exact phrase, so it matches "to make an exact phrase appear in all the results".
• The AND operator: Requires all search terms to be present in results, so it matches "to ensure all search terms appear in the results".
• The OR operator: Requires at least one of the search terms to be present, so it matches "to ensure that at least one of the search terms appear in the results".
• The minus sign: Used to exclude specific words from results, so it matches "to exclude specific words from the results".

Answer:

quotation marks → to make an exact phrase appear in all the results
the AND operator → to ensure all search terms appear in the results
the OR operator → to ensure that at least one of the search terms appear in the results
the minus sign → to exclude specific words from the results