Perhaps you should try some spelling variations:
"coder coder on feeding problems" » "coder coder on feeding programs" (Expand search), "coder coder on nesting problems" (Expand search), "coder coder on folding problem" (Expand search), "coder decoder on feeding problems" (Expand search), "code code on feeding problems" (Expand search), "decoder codec on feeding problems" (Expand search), "coder coder and feeding problems" (Expand search), "coder code on feeding problems" (Expand search), "coder codes on feeding problems" (Expand search), "coder powder on feeding problems" (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 on feeding problems") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder on feeding problems\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder on feeding problems ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder on feeding problems") OR ("_ python python python programming"))*.