Perhaps you should try some spelling variations:
"developing computation of coverage problem" » "developing computational of coverage problem" (Expand search), "developing population of coverage problem" (Expand search), "developing communication of coverage problem" (Expand search), "developing computation of covering problem" (Expand search), "developing computation of covering problems" (Expand search), "developing computation of coverage from" (Expand search), "developing 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: (("developing computation of coverage problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"developing computation of coverage problem\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( developing computation of coverage problem ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("developing computation of coverage problem") OR ("using coding python python programming"))*.