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