Talvez deva tentar algumas variações de ortografia:
decrease tooth » decrease with (Expandir a busca), decrease food (Expandir a busca), decrease costs (Expandir a busca)
copd processes » food processes (Expandir a busca), npd processes (Expandir a busca), coupled processes (Expandir a busca)
tooth disease » mouth disease (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
disease copd » disease case (Expandir a busca)
python code » python coding (Expandir a busca), python redes (Expandir a busca)
code python » codigo python (Expandir a busca), pacote python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease tooth disease copd processes ) OR ( python code python python programming ))~.