Talvez deva tentar algumas variações de ortografia:
depressed decrease » depressed areas (Expandir a busca), repressors decreased (Expandir a busca)
decrease processes » disease processes (Expandir a busca), defense processes (Expandir a busca), decay processes (Expandir a busca)
during depressed » during depressive (Expandir a busca), during repressive (Expandir a busca), feeling depressed (Expandir a busca)
decrease during » increase during (Expandir a busca), increases during (Expandir a busca), increased during (Expandir a busca)
or efficiency » an efficiency (Expandir a busca), power efficiency (Expandir a busca), gear efficiency (Expandir a busca)
decrease of » decrease in (Expandir a busca)
of decrease » or decrease (Expandir a busca), not decrease (Expandir a busca), to decrease (Expandir a busca)
decrease or » decrease pro (Expandir a busca), decrease toc (Expandir a busca), decrease in (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 during depressed decrease processes ) OR ( decrease of decrease OR efficiency ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease during depressed decrease processes ) OR ( decrease of decrease or efficiency ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease during depressed decrease processes ) OR ( decrease of decrease or efficiency ))*.