Talvez deva tentar algumas variações de ortografia:
componente control » componente controle (Expandir a busca), componente central (Expandir a busca), complete control (Expandir a busca)
control programs » control program (Expandir a busca), control problems (Expandir a busca)
drilling python » drilling method (Expandir a busca), drilling without (Expandir a busca), drilling methods (Expandir a busca)
using drilling » during drilling (Expandir a busca), using driving (Expandir a busca), ring drilling (Expandir a busca)
of componente » of componentes (Expandir a busca), of components (Expandir a busca), of component (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( code of componente control programs ) OR ( using drilling python python programming ))~.