Perhaps you should try some spelling variations:
"coder code in singal processing" » "coder code in singnal processing" (Expand search), "coder code in signal processing" (Expand search), "coder code in sandal processing" (Expand search), "code code in singal processing" (Expand search), "modern code in singal processing" (Expand search), "color code in singal processing" (Expand search), "coder code in senegal processing" (Expand search), "coder code in single processing" (Expand search), "coder code and singal processing" (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.

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