Talvez deva tentar algumas variações de ortografia:
ftir assessment » after assessment (Expandir a busca), fear assessment (Expandir a busca), factor assessment (Expandir a busca)
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 ftir » decrease after (Expandir a busca), decrease fear (Expandir a busca), decreased after (Expandir a busca)
decrease toc » decrease of (Expandir a busca), decrease the (Expandir a busca), decreased to (Expandir a busca)
toc decrease » to decrease (Expandir a busca), the decrease (Expandir a busca), not decrease (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)

Você pode obter mais resultados ajustando o argumento de busca.

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