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