Talvez deva tentar algumas variações de ortografia:
"linear precoding and algorithm problem" » "linear precoding and algorithms problem" (Expandir a busca), "linear precoding and algoritmo problema" (Expandir a busca), "linear precoding and logarithm problem" (Expandir a busca), "linear recording and algorithm problem" (Expandir a busca), "linear decoding and algorithm problem" (Expandir a busca), "linear breeding and algorithm problem" (Expandir a busca), "linear precoding an algorithm problem" (Expandir a busca), "linear precoding and algorithmic problem" (Expandir a busca)
"_ python python python programming" » "_ pythons python python programming" (Expandir a busca), "_ piton python python programming" (Expandir a busca), "_ pitons python python programming" (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: "((\"linear precoding and algorithm problem\") OR (\"_ python python python programming\"))~".
• Remover as aspas pode possibilitar buscas mais amplas: (( linear precoding and algorithm problem ) OR ( _ python python python programming ))~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (("linear precoding and algorithm problem") OR ("_ python python python programming"))*.