Perhaps you should try some spelling variations:
"advanced computation using covering problem" » "advanced computations using covering problem" (Expand search), "advanced computational using covering problem" (Expand search), "advance computational using covering problem" (Expand search), "advanced computation in covering problem" (Expand search), "advanced composition using covering problem" (Expand search), "advanced computation using routing problem" (Expand search), "advanced computation using loading problem" (Expand search), "advanced computation ring covering problem" (Expand search), "advanced computation using competing problem" (Expand search), "advanced computation using covariant problem" (Expand search)
"using total python python programming" » "using total pythons python programming" (Expand search), "using total piton python programming" (Expand search), "using total pitons python programming" (Expand search), "using tool 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: (("advanced computation using covering problem") OR ("using total python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced computation using covering problem\") OR (\"using total python python programming\"))".
• Removing quotes may allow a broader search: (( advanced computation using covering problem ) OR ( using total python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("advanced computation using covering problem") OR ("using total python python programming"))*.