Perhaps you should try some spelling variations:
integration schemes » integration schengen, integration regimes, integration some
irrigation schemes » irrigation scheme, irrigation systems
furrow irrigation » farm irrigation, crop irrigation, flood irrigation
side integration » die integration, de integration, life integration
supply furrow » supply from

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• Performing a fuzzy search may retrieve terms with similar spellings: (( supply side integration schemes. ) or ( supply furrow irrigation schemes. ))~.
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