Perhaps you should try some spelling variations:
tree complexity » the complexity (Expand search), time complexity (Expand search), tone complexity (Expand search)
rotating method » rotations method (Expand search), coating method (Expand search), rating method (Expand search)
using rotating » in rotating (Expand search)
method python » method method (Expand search), python python (Expand search)
coder tree » modern tree (Expand search), under tree (Expand search), poder tres (Expand search)

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

• Removing quotes may allow a broader search: (( coder tree complexity control program ) OR ( using rotating method python programming ))~.