Perhaps you should try some spelling variations:
"coder codes and modulation functions" » "coder codes and modulation function" (Expand search), "coder codes and simulation functions" (Expand search), "coder codes and population function" (Expand search), "color codes and modulation functions" (Expand search), "order codes and modulation functions" (Expand search), "code code and modulation functions" (Expand search), "coder code and modulation functions" (Expand search), "coder modes and modulation 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), "rpa python python python programming" (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder codes and modulation functions\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder codes and modulation functions ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder codes and modulation functions") OR ("api python python python programming"))*.