information retrieval Finds records containing exact phrase 'information retrieval' information and retrieval Finds records containing both phrases 'information' AND 'retrieval' information or retrieval Finds records containing the phrase 'information' OR the phrase 'retrieval'

information near retrieval Finds records containing both 'information' AND 'retrieval', where the two phrases are located close to each other within the document (information or data) and retrieval Combination of any example above.