Perhaps you should try some spelling variations:
"grid computing using and programming" » "grid computing ufcg and programming" (Expand search), "grid computing using _ programming" (Expand search), "grid computing using goal programming" (Expand search), "grid computing using an programming" (Expand search), "grid computing housing and programming" (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: (("grid computing using and programming") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"grid computing using and programming\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( grid computing using and programming ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("grid computing using and programming") OR ("using coding python python programming"))*.