Perhaps you should try some spelling variations:
"coder coding in control problems" » "coder coding in control program" (Expand search), "modern coding in control problems" (Expand search), "color coding in control problems" (Expand search), "odor coding in control problems" (Expand search), "coder coding rna control problems" (Expand search), "coder coding and control problems" (Expand search), "coder coding _ control 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coding in control problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding in control problems\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding in control problems ) OR ( api python python python programming ))*.