Talvez deva tentar algumas variações de ortografia:
efficient coding » efficient routing (Expandir a busca), efficient cement (Expandir a busca)
java efficient » data efficient (Expandir a busca), an efficient (Expandir a busca), and efficient (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pytm python (Expandir a busca)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)
coder java » codes java (Expandir a busca), xcode java (Expandir a busca)
in pitons » in pigeons (Expandir a busca), in picos (Expandir a busca), _ pitons (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder java efficient coding ) OR ( in pitons python python programming ))~.