Talvez deva tentar algumas variações de ortografia:
teaching programming » teaching program (Expandir a busca)
singing teaching » thinking teaching (Expandir a busca), training teaching (Expandir a busca), planning teaching (Expandir a busca)
patent singing » patent mining (Expandir a busca), patent filing (Expandir a busca), patent licensing (Expandir a busca)
coder patent » model patent (Expandir a busca), open patent (Expandir a busca), care patent (Expandir a busca)
using coding » using coping (Expandir a busca), using coating (Expandir a busca), using cooking (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder patent singing teaching programming ) OR ( using coding _ python programming ))~.