Perhaps you should try some spelling variations:
"cover modelling computer algorithm complexity" » "cover modelling computer algorithms complexity" (Expand search), "cover modelling computer algorithmic complexity" (Expand search), "cover modelling computer algorithm context" (Expand search), "cover modeling computer algorithm complexity" (Expand search), "cover modelyng computer algorithm complexity" (Expand search), "cover modelling complex algorithm complexity" (Expand search), "cover modelling computing algorithm complexity" (Expand search), "cover modelling cluster algorithm complexity" (Expand search), "novel modelling computer algorithm complexity" (Expand search), "river modelling computer algorithm 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), "manim python python python programming" (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: "((\"cover modelling computer algorithm complexity\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( cover modelling computer algorithm complexity ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("cover modelling computer algorithm complexity") OR ("api python python python programming"))*.