Perhaps you should try some spelling variations:
"coder coding and assignment problem" » "coder coding and alignment problem" (Expand search), "coder coding the assignment problem" (Expand search), "modern coding and assignment problem" (Expand search), "color coding and assignment problem" (Expand search), "odor coding and assignment problem" (Expand search), "coder coding rna assignment 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 coding and assignment problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding and assignment problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding and assignment problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding and assignment problem") OR ("api python python python programming"))*.