Perhaps you should try some spelling variations:
complexity coding » complexity scaling (Expand search), complexity during (Expand search), complexity modelling (Expand search)
cpp complexity » map complexity (Expand search), case complexity (Expand search), code complexity (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder code » code code (Expand search), modern code (Expand search), color code (Expand search)
api python » rpa python (Expand search)
code cpp » code cpc (Expand search), code ctn (Expand search), code cdc (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder code cpp complexity coding ) OR ( api python python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder code cpp complexity coding ) OR ( api python python python programming ))*.