Talvez deva tentar algumas variações de ortografia:
computer programming » computer program (Expandir a busca), computer programs (Expandir a busca)
pathogen reactors » pathogen vectors (Expandir a busca), pathogen vector (Expandir a busca), pathogenic factors (Expandir a busca)
reactors computer » detectors computer (Expandir a busca), editors computer (Expandir a busca), routers computer (Expandir a busca)
coder pathogen » canker pathogen (Expandir a busca), coffee pathogen (Expandir a busca), novel pathogen (Expandir a busca)
using coating » using coatings (Expandir a busca), using rotating (Expandir a busca), using cutting (Expandir a busca)
coating and » coatings and (Expandir a busca), coating on (Expandir a busca)
and python » in python (Expandir a busca), on python (Expandir a busca), api 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 pathogen reactors computer programming ) OR ( using coating AND python programming ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( coder pathogen reactors computer programming ) OR ( using coating and python programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( coder pathogen reactors computer programming ) OR ( using coating and python programming ))*.