Perhaps you should try some spelling variations:
"coder coding _ variable complexity" » "coder coding _ variability complexity" (Expand search), "coder coding _ syllable complexity" (Expand search), "coder coding _ article complexity" (Expand search), "modern coding _ variable complexity" (Expand search), "color coding _ variable complexity" (Expand search), "odor coding _ variable 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 _ variable complexity") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding _ variable complexity\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding _ variable complexity ) OR ( api python python python programming ))*.