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