Perhaps you should try some spelling variations:
pattern definitional » patterns definitional, pattern definition, patterns definition
nutrient level » nutrient levels, nutrient gene, nutrient removal
level pattern » level patterns, levels patterns, label pattern
array sharing » arrays bearing, array imaging, way sharing
array string » array strong, array forming, array using

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

• Performing a fuzzy search may retrieve terms with similar spellings: nutrient level pattern definitional ((array sharing) or (((array string) or (arrays strings))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nutrient level pattern definitional ((array sharing) OR (((array string) OR (arrays strings)))).
• Adding a wildcard symbol may retrieve word variants: nutrient level pattern definitional ((array sharing) or (((array string) or (arrays strings))))*.