Talvez deva tentar algumas variações de ortografia:
communication protocols » communication protocol (Expandir a busca), communication process (Expandir a busca)
decrease communication » reverse communication (Expandir a busca), case communication (Expandir a busca), debate communication (Expandir a busca)
decrease toc » decrease the (Expandir a busca), decreased to (Expandir a busca), decrease on (Expandir a busca)
toc decrease » to decrease (Expandir a busca), the decrease (Expandir a busca), not decrease (Expandir a busca)
decrease of » decrease in (Expandir a busca)
of decrease » not decrease (Expandir a busca), to decrease (Expandir a busca), _ decrease (Expandir a busca)
or decrease » not decrease (Expandir a busca), to decrease (Expandir a busca), _ decrease (Expandir a busca)
decrease or » decrease on (Expandir a busca), decrease pro (Expandir a busca), decrease in (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease of decrease communication protocols ) OR ( decrease or decrease toc decrease ))~.