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