Perhaps you should try some spelling variations:
frictional programming » fractional programming (Expand search), functional programming (Expand search), funcional programming (Expand search)
sliding frictional » sliding friction (Expand search), coding fractional (Expand search)
coding sliding » coatings sliding (Expand search), rolling sliding (Expand search), rocking sliding (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder coding » modern coding (Expand search), color coding (Expand search), odor coding (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( coder coding sliding frictional programming ) OR ( python python python python programming ))~.