Talvez deva tentar algumas variações de ortografia:
costing python » costing method (Expandir a busca), using python (Expandir a busca)
peptone plant » peptides plant (Expandir a busca)
plant control » plantas controle (Expandir a busca), plaque control (Expandir a busca), joint control (Expandir a busca)
using costing » using coating (Expandir a busca), using boosting (Expandir a busca), using coatings (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder » poder (Expandir a busca), codes (Expandir a busca), coded (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder peptone plant control program ) OR ( using costing python python programming ))~.