Perhaps you should try some spelling variations:
conditional programming » additional programming, functional programming, unconventional programming
nutritional programming » nutrition programming, instructional programming, functional programming
extensions chapter » extension chapter, tensions chapter, dimensions chapter
chapter cities » smarter cities, water cities

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• The words AND, OR and NOT may confuse the search; try adding quotes: "functions ((conditional programming) OR (nutritional programming)) extensions chapter cities~".
• Adding a wildcard symbol may retrieve word variants: functions ((conditional programming) OR (nutritional programming)) extensions chapter cities*.