Talvez deva tentar algumas variações de ortografia:
disease progress » disease process (Expandir a busca), disease progression (Expandir a busca)
delay disease » delays disease (Expandir a busca), dietary disease (Expandir a busca), deadly disease (Expandir a busca)
python regius » python redes (Expandir a busca)
regius python » reais python (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
and delay » and decay (Expandir a busca), and delayed (Expandir a busca), and deaf (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease and delay disease progress ) OR ( python regius python python programming ))~.