Talvez deva tentar algumas variações de ortografia:
decrease predation » decrease prevention (Expandir a busca), decreased production (Expandir a busca), decrease migration (Expandir a busca)
predation decrease » reduction decreases (Expandir a busca), retention decrease (Expandir a busca), predation defence (Expandir a busca)
methods affected » methods affect (Expandir a busca), methods affective (Expandir a busca), methods effect (Expandir a busca)
defense methods » dense methods (Expandir a busca), disease methods (Expandir a busca), reference methods (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Caso esteja tentando utilizar os operadores booleanos, deve escrevê-los em Letras MAIÚSCULAS: (( decrease _ decrease predation decrease ) OR ( decrease AND defense methods affected ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease _ decrease predation decrease ) OR ( decrease and defense methods affected ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease _ decrease predation decrease ) OR ( decrease and defense methods affected ))*.