Talvez deva tentar algumas variações de ortografia:
decrease observed » decay observed (Expandir a busca), case observed (Expandir a busca)
decrease lodging » decrease during (Expandir a busca), decrease walking (Expandir a busca)
lodging decrease » logging decreases (Expandir a busca), loading decreased (Expandir a busca), taping decrease (Expandir a busca)
observed objects » observed effects (Expandir a busca), submerged objects (Expandir a busca), buried objects (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)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease at decrease lodging decrease ) OR ( decrease at decrease observed objects ))~.