Talvez deva tentar algumas variações de ortografia:
decrease his » decrease hiv (Expandir a busca), decreases hip (Expandir a busca), decrease risk (Expandir a busca)
decrease or » decrease of (Expandir a busca), decrease on (Expandir a busca), decrease pro (Expandir a busca)
or decrease » not decrease (Expandir a busca), to decrease (Expandir a busca), _ decrease (Expandir a busca)
decrease at » decrease akt (Expandir a busca), decrease and (Expandir a busca), decrease in (Expandir a busca)
at decrease » rate decrease (Expandir a busca), that decrease (Expandir a busca), and decrease (Expandir a busca)
his sisters » her sisters (Expandir a busca), twin sisters (Expandir a busca), gis sistemas (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 OR decrease at decrease ) OR ( decrease OR decrease his sisters ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease OR decrease at decrease ) OR ( decrease or decrease his sisters ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease OR decrease at decrease ) OR ( decrease or decrease his sisters ))*.