Talvez deva tentar algumas variações de ortografia:
decrease fear » decreased fear (Expandir a busca), decrease fetal (Expandir a busca), decreased heart (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease the (Expandir a busca)
decrease akt » decrease after (Expandir a busca), decrease with (Expandir a busca), decreased and (Expandir a busca)
and decrease » and decreases (Expandir a busca), and decreased (Expandir a busca), and increase (Expandir a busca)
decrease at » decrease in (Expandir a busca), decrease _ (Expandir a busca), decrease after (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.

• Caso esteja tentando utilizar os operadores booleanos, deve escrevê-los em Letras MAIÚSCULAS: (( ((decrease akt) OR (decrease at)) decrease of decrease ) OR ( decrease AND decrease fear AND ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( ((decrease akt) OR (decrease at)) decrease of decrease ) OR ( decrease and decrease fear AND ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( ((decrease akt) OR (decrease at)) decrease of decrease ) OR ( decrease and decrease fear AND ))*.