Talvez deva tentar algumas variações de ortografia:
decrease fluency » decrease frequency (Expandir a busca)
fluency program » fluent programa (Expandir a busca), leniency program (Expandir a busca)
python coding » action coding (Expandir a busca), python code (Expandir a busca)
decrease by » decreased by (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
by decrease » by decreased (Expandir a busca), may decrease (Expandir a busca), any decrease (Expandir a busca)
coding java » codigo java (Expandir a busca), coding av1 (Expandir a busca), coding data (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease by decrease fluency program ) OR ( python coding java python programming ))~.