Perhaps you should try some spelling variations:
"and python python python programming" » "and pythons python python programming" (Expand search), "and piton python python programming" (Expand search), "and pitons python python programming" (Expand search), "in python python python programming" (Expand search), "on python python python programming" (Expand search), "api python python python programming" (Expand search)
"coder coder string _ programming" » "coder cordel string _ programming" (Expand search), "coder closed string _ programming" (Expand search), "coder modelo string _ programming" (Expand search), "coder decoder string _ programming" (Expand search), "code code string _ programming" (Expand search), "decoder codec string _ 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 string _ programming") OR ("and python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder string _ programming\") OR (\"and python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder string _ programming ) OR ( and python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder string _ programming") OR ("and python python python programming"))*.