Perhaps you should try some spelling variations:
information requirements » nutrition requirements, information environments
irrigation requirements » irrigation equipment, nutrition requirements
regarding animation » regarding organization, regarding information, regarding innovation
animation concepts » organization concepts, generation concepts, simulation concepts
concepts critiques » concepts critical

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((information requirements) OR (irrigation requirements)) regarding animation concepts critiques~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((information requirements) OR (irrigation requirements)) regarding animation concepts critiques".
• Adding a wildcard symbol may retrieve word variants: ((information requirements) OR (irrigation requirements)) regarding animation concepts critiques*.