Perhaps you should try some spelling variations:
"coder precoder map based programming" » "coder precoder map and programming" (Expand search), "coder precoder map based program" (Expand search), "coder precoder map cone programming" (Expand search), "coder decoder map based programming" (Expand search), "coder precoder hp based programming" (Expand search), "coder precoce map based programming" (Expand search), "coder precoces mal based 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 precoder map based programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder map based programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder map based programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder map based programming") OR ("_ python python python programming"))*.