Perhaps you should try some spelling variations:
"based collaborative in concurrent programming" » "based collaborative in constraint programming" (Expand search), "and collaborative in concurrent programming" (Expand search), "based collaborative and concurrent programming" (Expand search), "based collaborative _ concurrent programming" (Expand search), "based collaborative art concurrent programming" (Expand search), "based collaborative of concurrent 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: (("based collaborative in concurrent programming") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based collaborative in concurrent programming\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( based collaborative in concurrent programming ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based collaborative in concurrent programming") OR ("using coding python python programming"))*.