Perhaps you should try some spelling variations:
protection methods » projection methods (Expand search), production methods (Expand search), detection methods (Expand search)
basic protection » basic protein (Expand search), ballistic protection (Expand search), basic reproduction (Expand search)
floor functions » floor function (Expand search), floor dysfunctions (Expand search), flour functional (Expand search)
functions basic » functions based (Expand search), functional basis (Expand search), functions brazil (Expand search)
codigos python » codigo python (Expand search)
using codigos » usando codigos (Expand search), using coding (Expand search), using codium (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)

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

• Removing quotes may allow a broader search: (( floor functions basic protection methods ) OR ( using codigos python python programming ))~.