Talvez deva tentar algumas variações de ortografia:
decrease burden » disease burden (Expandir a busca), decrease further (Expandir a busca)
burden program » bioen program (Expandir a busca), buriti program (Expandir a busca), green program (Expandir a busca)
decrease will » decrease with (Expandir a busca), decrease il (Expandir a busca), decrease cell (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
python api » python and (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

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