Talvez deva tentar algumas variações de ortografia:
functions problems » functional problems (Expandir a busca), fractional problems (Expandir a busca), conditions problems (Expandir a busca)
coder functioning » models functioning (Expandir a busca), proper functioning (Expandir a busca), role functioning (Expandir a busca)
functioning diff » functioning dif (Expandir a busca), functioning icf (Expandir a busca), functioning of (Expandir a busca)
diff functions » of functions (Expandir a busca), airy functions (Expandir a busca), scf functions (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 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.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder functioning diff functions problems ) OR ( using coding python python programming ))~.