Talvez deva tentar algumas variações de ortografia:
their decrease » the decrease (Expandir a busca), their disease (Expandir a busca), the decreased (Expandir a busca)
decrease their » decrease the (Expandir a busca), increase their (Expandir a busca), decreases the (Expandir a busca)
decrease on » decrease in (Expandir a busca), decrease or (Expandir a busca), decrease and (Expandir a busca)
on decrease » on decreased (Expandir a busca), or decrease (Expandir a busca), of decrease (Expandir a busca)
decrease of » decrease in (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease on decrease of process ) OR ( decrease their decrease NOT decrease ))~.