Perhaps you should try some spelling variations:
total preprocessing » textual preprocessing (Expand search), data preprocessing (Expand search), novel preprocessing (Expand search)
increase total » increases total (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease of » decrease in (Expand search)
of increase » of increased (Expand search), an increase (Expand search), of increasing (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code python » codigo python (Expand search), pacote python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease of increase total preprocessing ) OR ( python code python python programming ))~.