Talvez deva tentar algumas variações de ortografia:
cooperative projects » cooperative process (Expandir a busca), cooperation project (Expandir a busca), cooperative effects (Expandir a busca)
disease cooperative » disease comparative (Expandir a busca), disease ulcerative (Expandir a busca), disease regenerative (Expandir a busca)
decrease walking » increase walking (Expandir a busca), decrease during (Expandir a busca), decrease lodging (Expandir a busca)
walking disease » wasting disease (Expandir a busca), wilding disease (Expandir a busca), walking distance (Expandir a busca)
decrease of » decrease in (Expandir a busca)
of decrease » or decrease (Expandir a busca), not decrease (Expandir a busca), to decrease (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease walking disease cooperative projects ) OR ( decrease _ decrease of decrease ))~.