Perhaps you should try some spelling variations:
"coder implementation in string problem" » "code implementation in string problem" (Expand search), "decoder implementation in string problem" (Expand search), "model implementation in string problem" (Expand search), "coder implementation and string problem" (Expand search), "coder implementation of string problem" (Expand search), "coder implementation in sizing problem" (Expand search), "coder implementation in rostering problem" (Expand search), "coder implementation in sharing problems" (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 implementation in string problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder implementation in string problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder implementation in string problem") OR ("api python python python programming"))*.