Talvez deva tentar algumas variações de ortografia:
the professors » the professor (Expandir a busca), the professions (Expandir a busca), of professors (Expandir a busca)
disorders the » disorders and (Expandir a busca), disorders _ (Expandir a busca), disorders an (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
of disorders » of disorder (Expandir a busca), of disordered (Expandir a busca), bone disorders (Expandir a busca)
decrease of » decrease in (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 of disorders the professors ) OR ( python code python python programming ))~.