Perhaps you should try some spelling variations:
chains irrigation » change irrigation, grain irrigation, canal irrigation
irrigation scheme » irrigation systems
integration some » integration south, integration soziale, integration social
supply chains » supply chain
support data » support a, support de
import data » import duty

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply chains irrigation scheme. ) or ( ((support data) OR (import data)) integration some. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply chains irrigation scheme. ) OR ( ((support data) OR (import data)) integration some. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply chains irrigation scheme. ) or ( ((support data) OR (import data)) integration some. ))".
• Adding a wildcard symbol may retrieve word variants: (( supply chains irrigation scheme. ) or ( ((support data) OR (import data)) integration some. ))*.