Perhaps you should try some spelling variations:
rotating methods » locating methods (Expand search), rotation methods (Expand search), routing methods (Expand search)
pre processing » the processing (Expand search), image processing (Expand search)
using rotating » in rotating (Expand search)
methods python » methods action (Expand search), pythons python (Expand search), methods method (Expand search)
code pre » code are (Expand search), code press (Expand search), code part (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( compra python code pre processing ) OR ( using rotating methods python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( compra python code pre processing ) OR ( using rotating methods python programming ))*.