Talvez deva tentar algumas variações de ortografia:
ratio decrease » rate decrease (Expandir a busca), rapid decrease (Expandir a busca), ratio increase (Expandir a busca)
decrease ratio » decreased ratio (Expandir a busca), decrease at (Expandir a busca), decreased rate (Expandir a busca)
decrease owing » decrease lodging (Expandir a busca), decrease during (Expandir a busca), decrease in (Expandir a busca)
owing effect » sowing effect (Expandir a busca), doping effect (Expandir a busca), poling effect (Expandir a busca)
decrease to » decreased to (Expandir a busca), decrease toc (Expandir a busca), decrease the (Expandir a busca)
decrease of » decrease in (Expandir a busca)
of decrease » or decrease (Expandir a busca), not decrease (Expandir a busca), _ decrease (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease to decrease of decrease ) OR ( decrease ratio decrease owing effect ))~.