Talvez debería tentar con algunhas variantes ortográficas:
information requirements » irrigation requirements, information environments
nutrition requirements » nutritional requirements, nutrient requirements
based excitation » base excitation, based elicitation, laser excitation
excitation from » elicitation from, excitation fronts, exportation from
seeds » seed

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 (nutrition requirements)) based excitation from (seeds OR needs)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((information requirements) OR (nutrition requirements)) based excitation from (seeds OR needs).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((information requirements) or (nutrition requirements)) based excitation from (seeds OR needs)".
• Adding a wildcard symbol may retrieve word variants: ((information requirements) or (nutrition requirements)) based excitation from (seeds OR needs)*.