Perhaps you should try some spelling variations:
sample problems » sample problem (Expand search), same problems (Expand search), simple problema (Expand search)
method sample » method some (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
power method » mother method (Expand search), power meter (Expand search), euler method (Expand search)
coder power » poder power (Expand search), modern power (Expand search), couter power (Expand search)
in python » _ python (Expand search)

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

• Removing quotes may allow a broader search: (( coder power method sample problems ) OR ( in python python python programming ))~.