Perhaps you should try some spelling variations:
"python using sat grippers" » "python using soft grippers", "python using data grippers", "python using a grippers", "python using raw grippers"
"nhat quan vi slippers" » "nhat quang vi slippers", "nha quan vi slippers", "hat quan vi slippers", "nhat quan li slippers", "nhat quan tri slippers", "nhat quan doi slippers", "nhat quan vi slippery"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nhat quan vi slippers") or ("python using sat grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat quan vi slippers") OR ("python using sat grippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat quan vi slippers ) or ( python using sat grippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat quan vi slippers") or ("python using sat grippers"))) or ("locating bug code snippets"))*.