Talvez deva tentar algumas variações de ortografia:
copper formulations » powder formulations (Expandir a busca), order formulation (Expandir a busca), cosmetic formulations (Expandir a busca)
formulations and » formulation and (Expandir a busca), formulations _ (Expandir a busca), formulations of (Expandir a busca)
and programming » _ programming (Expandir a busca), goal programming (Expandir a busca)
python coding » action coding (Expandir a busca), python code (Expandir a busca)
coding python » codigo python (Expandir a busca), codigos python (Expandir a busca), using python (Expandir a busca)
python copper » python computer (Expandir a busca), thin copper (Expandir a busca), python code (Expandir a busca)
coder python » codigo python (Expandir a busca), compra python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Caso esteja tentando utilizar os operadores booleanos, deve escrevê-los em Letras MAIÚSCULAS: (( coder python coding python programming ) OR ( python copper formulations AND programming ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( coder python coding python programming ) OR ( python copper formulations and programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( coder python coding python programming ) OR ( python copper formulations and programming ))*.