Talvez deva tentar algumas variações de ortografia:
nitrogen detection » nitrogen retention (Expandir a busca), estrogen detection (Expandir a busca), pathogen detection (Expandir a busca)
detection computer » detection computing (Expandir a busca), detector computed (Expandir a busca), interaction computer (Expandir a busca)
computer programs » computer program (Expandir a busca)
coupling python » coupling protein (Expandir a busca)
maize nitrogen » late nitrogen (Expandir a busca), rate nitrogen (Expandir a busca)
using coupling » running coupling (Expandir a busca), using competing (Expandir a busca), using coupled (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.

• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( maize nitrogen detection computer programs ) OR ( using coupling python python programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( maize nitrogen detection computer programs ) OR ( using coupling python python programming ))*.