Perhaps you should try some spelling variations:
"coder solution of loading problem" » "coder solution of routing problem" (Expand search), "coder solution of planning problem" (Expand search), "code solution of loading problem" (Expand search), "copper solution of loading problem" (Expand search), "powder solution of loading problem" (Expand search), "coder resolution of loading problem" (Expand search), "coder evolution of loading problem" (Expand search), "coder solution _ loading 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: (("coder solution of loading problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder solution of loading problem\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( coder solution of loading problem ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder solution of loading problem") OR ("using coding python python programming"))*.