Perhaps you should try some spelling variations:
"python using data grippers" » "python using java grippers", "python using sat grippers", "python missing data grippers", "python using data slippers"
"_ tieu thi slippery" » "_ trieu thi slippery", "_ tiep thi slippery", "_ tieu thu slippery", "_ tien thi slippery", "_ tieu thi slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code slippers"

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 data grippers") or ("_ tieu thi slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data grippers") OR ("_ tieu thi slippery"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( python using data grippers ) or ( _ tieu thi slippery ))) or ( locating bug code snippets ))*.