Talvez deva tentar algumas variações de ortografia:
avoidance systems » avoidance system (Expandir a busca), guidance systems (Expandir a busca), avoidance states (Expandir a busca)
coder avoidance » node avoidance (Expandir a busca), water avoidance (Expandir a busca), coping avoidance (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)
in python » _ python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder avoidance systems programming ) OR ( in python python python programming ))~.