Perhaps you should try some spelling variations:
"using compression sampling loading problem" » "using compressive sampling loading problem" (Expand search), "using compression spring loading problem" (Expand search), "using compression molding loading problem" (Expand search), "during compression sampling loading problem" (Expand search), "locking compression sampling loading problem" (Expand search), "using compression sampling learning problem" (Expand search), "using compression sampling sounding problem" (Expand search), "using compression sampling routing problem" (Expand search), "using compression sampling planning 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.

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