Perhaps you should try some spelling variations:
"coder coder sampling formal program" » "coder coder sampling formula program" (Expand search), "coder coder sampling forest program" (Expand search), "coder coder sampling farmer program" (Expand search), "coder under sampling formal program" (Expand search), "coder over sampling formal program" (Expand search), "coder core sampling formal program" (Expand search), "coder coder sampling forma programa" (Expand search), "coder coder sampling fortran program" (Expand search), "coder coder sampling social program" (Expand search), "coder decoder sampling formal program" (Expand search), "code code sampling formal program" (Expand search), "decoder codec sampling formal program" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder sampling formal program") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sampling formal program\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sampling formal program ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling formal program") OR ("_ python python python programming"))*.