Talvez deva tentar algumas variações de ortografia:
decreased learning » decreases weaning (Expandir a busca), increases learning (Expandir a busca), decreased during (Expandir a busca)
the decreased » the decrease (Expandir a busca), the deceased (Expandir a busca), the increased (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
and decrease » and decreases (Expandir a busca), and decreased (Expandir a busca), and increase (Expandir a busca)
decrease the » decreases the (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
objects » object (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease _ decrease and decrease ) OR ( decrease the decreased learning objects ))~.