Perhaps you should try some spelling variations:
"control computation the coverage problem" » "control computational the coverage problem" (Expand search), "control competition the coverage problem" (Expand search), "control temptation the coverage problem" (Expand search), "control computation the covering problem" (Expand search), "control computation the covering problems" (Expand search), "control computation the coverage from" (Expand search), "control computation to coverage problem" (Expand search), "control computation theory coverage problem" (Expand search), "control computation with coverage problem" (Expand search), "control computation and coverage problem" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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: (("control computation the coverage problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"control computation the coverage problem\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( control computation the coverage problem ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("control computation the coverage problem") OR ("using coding python python programming"))*.