Talvez deva tentar algumas variações de ortografia:
based communications » based communication (Expandir a busca), band communications (Expandir a busca), closed communications (Expandir a busca)
communications using » communications in (Expandir a busca), communications and (Expandir a busca), communications plan (Expandir a busca)
linear programmin » linear programming (Expandir a busca), nonlinear programming (Expandir a busca)
coding python » codigo python (Expandir a busca), codigos python (Expandir a busca), using python (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
using linear » using near (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.

• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( based communications using linear programmin ) OR ( using coding python python programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( based communications using linear programmin ) OR ( using coding python python programming ))*.