Talvez deva tentar algumas variações de ortografia:
decrease burden » disease burden (Expandir a busca), decrease further (Expandir a busca)
burden decrease » burden disease (Expandir a busca), urea decrease (Expandir a busca), burgers decreases (Expandir a busca)
pythons python » python python (Expandir a busca), pitons python (Expandir a busca), piton python (Expandir a busca)
decrease loss » decrease costs (Expandir a busca), decrease low (Expandir a busca), decrease blood (Expandir a busca)
using pythons » using python (Expandir a busca), using phones (Expandir a busca)
loss program » los programas (Expandir a busca), 5s program (Expandir a busca)
python using » python coding (Expandir a busca), python usando (Expandir a busca), action using (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease burden decrease loss program ) OR ( python using pythons python programming ))~.