Perhaps you should try some spelling variations:
"python using java grippers" » "python using data grippers"
"toan cua qua slippers" » "than cua qua slippers", "tan cua qua slippers", "doanh cua qua slippers", "toan cua quan slippers", "toan cua rua slippers", "toan cuu qua slippers", "toan cua qua 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: (((("toan cua qua slippers") or ("python using java grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan cua qua slippers") OR ("python using java grippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan cua qua slippers ) or ( python using java grippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan cua qua slippers") or ("python using java grippers"))) or ("locating bug code snippets"))*.