Talvez deva tentar algumas variações de ortografia:
learning projects » learning process (Expandir a busca), learning objects (Expandir a busca), learning processes (Expandir a busca)
decrease learning » increases learning (Expandir a busca), decreases weaning (Expandir a busca), defense learning (Expandir a busca)
the decreased » the decrease (Expandir a busca), the deceased (Expandir a busca), the increased (Expandir a busca)
decrease the » decreases the (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
decreased to » decreased the (Expandir a busca), decreased tgf (Expandir a busca), decreased in (Expandir a busca)
decrease its » decreases its (Expandir a busca), decrease with (Expandir a busca), decrease in (Expandir a busca)
its decrease » with decrease (Expandir a busca), nts decreases (Expandir a busca), its increase (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease the decreased to decrease ) OR ( decrease its decrease learning projects ))~.