Perhaps you should try some spelling variations:
"coder coder flat fading program" » "coder coder flat feeding program" (Expand search), "coder coder flat reading program" (Expand search), "coder coder flat framing program" (Expand search), "coder decoder flat fading program" (Expand search), "code code flat fading program" (Expand search), "decoder codec flat fading program" (Expand search), "coder over flat fading program" (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), "rpa python 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 flat fading program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder flat fading program\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder flat fading program ) OR ( api python python python programming ))*.