Perhaps you should try some spelling variations:
"based computing on coverage problem" » "based computing on covering problem" (Expand search), "based computing on covering problems" (Expand search), "based computing on coverage from" (Expand search), "based costing on coverage problem" (Expand search), "and computing on coverage problem" (Expand search), "based coating on coverage problem" (Expand search), "based computing and coverage problem" (Expand search), "based computing _ coverage problem" (Expand search), "based computing in coverage problem" (Expand search), "based computing bone 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: (("based computing on coverage problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computing on coverage problem\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( based computing on coverage problem ) OR ( using coding python python programming ))*.