Perhaps you should try some spelling variations:
tree complexity » the complexity (Expand search), time complexity (Expand search), tone complexity (Expand search)
counting method » costing method (Expand search), casting method (Expand search), planting methods (Expand search)
using counting » using accounting (Expand search), using cutting (Expand search), using coupling (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 counting method python programming ))~.