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