Perhaps you should try some spelling variations:
efforts processing » export processing (Expand search), errors processing (Expand search), affects processing (Expand search)
sampling efforts » sampling effort (Expand search), sampling errors (Expand search), sampling error (Expand search)
coder sampling » under sampling (Expand search), over sampling (Expand search), core sampling (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder coder » coder decoder (Expand search), code code (Expand search), decoder codec (Expand search)

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

• Removing quotes may allow a broader search: (( coder coder sampling efforts processing ) OR ( python python python python programming ))~.