Perhaps you should try some spelling variations:
"coder coder _ equalization problem" » "coder coder _ visualization problem" (Expand search), "coder coder _ sectorization problem" (Expand search), "coder coder _ optimization problem" (Expand search), "coder decoder _ equalization problem" (Expand search), "code code _ equalization problem" (Expand search), "decoder codec _ equalization problem" (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 _ equalization problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ equalization problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder _ equalization problem ) OR ( api python python python programming ))*.