Perhaps you should try some spelling variations:
"coder coder density independent programming" » "coder coder density independence programming" (Expand search), "coder coder density dependent programming" (Expand search), "coder coder densiay dependent programming" (Expand search), "coder cover density independent programming" (Expand search), "coder powder density independent programming" (Expand search), "coder power density independent programming" (Expand search), "coder decoder density independent programming" (Expand search), "code code density independent programming" (Expand search), "decoder codec density independent programming" (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 density independent programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder density independent programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder density independent programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder density independent programming") OR ("_ python python python programming"))*.