Perhaps you should try some spelling variations:
"coder optimization and rf programmer" » "code optimization and rf programmer" (Expand search), "modern optimization and rf programmer" (Expand search), "powder optimization and rf programmer" (Expand search), "coder optimization and of programmers" (Expand search), "coder optimization and of programmed" (Expand search), "coder optimization and of programmes" (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 optimization and rf programmer\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder optimization and rf programmer ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder optimization and rf programmer") OR ("api python python python programming"))*.