Perhaps you should try some spelling variations:
"based optimization using coverage on" » "and optimization using coverage on" (Expand search), "based optimization and coverage on" (Expand search), "based optimization using average on" (Expand search), "based optimization testing coverage on" (Expand search), "based optimization funding coverage on" (Expand search), "based optimization using coverage of" (Expand search), "based optimization using coverage in" (Expand search), "based optimization using coverage and" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based optimization using coverage on\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( based optimization using coverage on ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based optimization using coverage on") OR ("using coding python python programming"))*.