Talvez deva tentar algumas variações de ortografia:
decrease risk » decreased risk (Expandir a busca), increase risk (Expandir a busca), decrease in (Expandir a busca)
risk decrease » risk decreases (Expandir a busca), risk increase (Expandir a busca), break decrease (Expandir a busca)
decrease any » decreases and (Expandir a busca), decreased and (Expandir a busca), decreased ant (Expandir a busca)
any decrease » and decrease (Expandir a busca), can decrease (Expandir a busca), may decrease (Expandir a busca)
decrease akt » decrease at (Expandir a busca), decrease after (Expandir a busca), decrease with (Expandir a busca)
akt decrease » and decrease (Expandir a busca), not decrease (Expandir a busca), salt decreases (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
and objects » and object (Expandir a busca), and subjects (Expandir a busca), and objectives (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease any decrease risk decrease ) OR ( decrease akt decrease and objects ))~.