Talvez deva tentar algumas variações de ortografia:
decrease ratio » decreased ratio (Expandir a busca), decrease at (Expandir a busca), decreased rate (Expandir a busca)
ratio decrease » rate decrease (Expandir a busca), rapid decrease (Expandir a busca), ratio increase (Expandir a busca)
decreased the » decreases the (Expandir a busca), decrease the (Expandir a busca), decreased ph (Expandir a busca)
on decreased » in decreased (Expandir a busca), of decreased (Expandir a busca), on deceased (Expandir a busca)
the decrease » to decrease (Expandir a busca), and decrease (Expandir a busca)
decrease std » decrease sod (Expandir a busca), decrease and (Expandir a busca), decrease at (Expandir a busca)
decrease on » decrease in (Expandir a busca), decrease of (Expandir a busca), decrease or (Expandir a busca)
std basic » and basic (Expandir a busca), at basic (Expandir a busca), 1st basic (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease on decreased the decrease ) OR ( decrease ratio decrease std basic ))~.