Talvez debería tentar con algunhas variantes ortográficas:
irrigation requirements » irrigation equipment, nutrition requirements
functions kernels » function kernel, functional kernel, functions ferns
functions error » functions entire
requirements a » requirements _
functions e.l » functions esf, functions ecole, functions euler

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

• Performing a fuzzy search may retrieve terms with similar spellings: irrigation requirements a ((((functions e.l) or (functions kernels))) or (functions error)) gives~.
• If you are trying to use Boolean operators, they must be ALL CAPS: irrigation requirements a ((((functions e.l) OR (functions kernels))) OR (functions error)) gives.
• Adding a wildcard symbol may retrieve word variants: irrigation requirements a ((((functions e.l) or (functions kernels))) or (functions error)) gives*.