Talvez deva tentar algumas variações de ortografia:
java programming » and programming (Expandir a busca), based programming (Expandir a busca), goal programming (Expandir a busca)
decrease java » decrease and (Expandir a busca), decrease hiv (Expandir a busca), decrease akt (Expandir a busca)
python casos » python dados (Expandir a busca), python based (Expandir a busca), python task (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)
casos java » casos juana (Expandir a busca), dados java (Expandir a busca), casos jair (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

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