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