Perhaps you should try some spelling variations:
"python using java grippers" » "python using data grippers"
"dung cao thi slippers" » "duong cao thi slippers", "dung cho thi slippers", "dung co thi slippers", "dung cau thi slippers", "dung cao tai slippers", "dung dao thi slippers", "dung cao thi 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 ("dung cao thi slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java grippers") OR ("dung cao thi slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java grippers ) or ( dung cao thi slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java grippers") or ("dung cao thi slippers"))) or ("locating bug code snippets"))*.