Talvez deva tentar algumas variações de ortografia:
coder formulations » code formulations (Expandir a busca), powder formulations (Expandir a busca), copper formulations (Expandir a busca)
formulations perl » formulations gel (Expandir a busca), formulations set (Expandir a busca), formulations sur (Expandir a busca)
perl programming » cell programming (Expandir a busca), period programming (Expandir a busca), fetal programming (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder formulations perl programming ) OR ( _ python python python programming ))~.