Talvez deva tentar algumas variações de ortografia:
increase field » increase yield (Expandir a busca), increases yield (Expandir a busca), increased yield (Expandir a busca)
field objects » fields objects (Expandir a busca), field object (Expandir a busca), field subjects (Expandir a busca)
decrease not » decrease of (Expandir a busca), decrease akt (Expandir a busca), decrease at (Expandir a busca)
not decrease » to decrease (Expandir a busca), not increase (Expandir a busca), and decrease (Expandir a busca)
decrease pro » decrease food (Expandir a busca), decrease treg (Expandir a busca), decrease in (Expandir a busca)
pro decrease » to decrease (Expandir a busca), or decrease (Expandir a busca), price decrease (Expandir a busca)
decrease or » decrease of (Expandir a busca), decrease on (Expandir a busca), decrease toc (Expandir a busca)
or increase » or increased (Expandir a busca), an increase (Expandir a busca), _ increase (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease not decrease pro decrease ) OR ( decrease or increase field objects ))~.