Talvez deva tentar algumas variações de ortografia:
tracking python » teaching python (Expandir a busca), tracking method (Expandir a busca), tracking position (Expandir a busca)
coarse program » course program (Expandir a busca), course programs (Expandir a busca), care program (Expandir a busca)
using tracking » using stacking (Expandir a busca), using ranking (Expandir a busca), using brackish (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
of coarse » of course (Expandir a busca), of courses (Expandir a busca), _ coarse (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( AND computation of coarse program ) OR ( using tracking python python programming ))*.