Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
data integrative » data integration, die integrative, ict integrative
als integrative » als interaktiver, _ integrative, 2 integrative
can irrigation » canal irrigation, tank irrigation, change irrigation
supply can » supply chain, supply case, supply chai

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

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