Perhaps you should try some spelling variations:
"mode testing of coding problems" » "mode testing of loading problems" (Expand search), "mode testing of counting problems" (Expand search), "mode testing of covering problems" (Expand search), "model testing of coding problems" (Expand search), "modal testing of coding problems" (Expand search), "bone testing of coding problems" (Expand search), "mode testing non coding 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), "manim 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: (("mode testing of coding problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"mode testing of coding problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( mode testing of coding problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("mode testing of coding problems") OR ("api python python python programming"))*.