Perhaps you should try some spelling variations:
"python using java grippers" » "python using data grippers"
"n trinh tu slippers" » "n trinh ky slippers", "n trinh do slippers", "p trinh tu slippers", "anh trinh tu slippers", "dan trinh tu slippers", "n trinh tu 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: (((("python using java grippers") or ("n trinh tu slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java grippers") OR ("n trinh tu slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java grippers ) or ( n trinh tu slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java grippers") or ("n trinh tu slippers"))) or ("locating bug code snippets"))*.