Talvez deva tentar algumas variações de ortografia:
decrease operational » increase operational (Expandir a busca), disease operational (Expandir a busca), decrease cooperation (Expandir a busca)
operational problems » emotional problems (Expandir a busca), variational problems (Expandir a busca), operational processes (Expandir a busca)
decrease lesions » disease lesions (Expandir a busca), decreased response (Expandir a busca), decrease adhesion (Expandir a busca)
lesions decrease » response decrease (Expandir a busca), lesions case (Expandir a busca)
decrease not » decrease of (Expandir a busca), decrease akt (Expandir a busca), decrease at (Expandir a busca)
not increase » and increase (Expandir a busca), an increase (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 lesions decrease operational problems ) OR ( decrease OR decrease NOT increase ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease lesions decrease operational problems ) OR ( decrease OR decrease not increase ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease lesions decrease operational problems ) OR ( decrease OR decrease not increase ))*.