Perhaps you should try some spelling variations:
"python using java grippers" » "python using data grippers", "python using java slippers"
"cong hoc phi slippery" » "dong hoc phi slippery", "cong hoa phi slippery", "cong coc phi slippery", "cong hoc pho slippery", "cong hoc chi slippery", "cong hoc khi slippery", "cong hoc phi 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 java grippers") or ("cong hoc phi slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java grippers") OR ("cong hoc phi slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java grippers ) or ( cong hoc phi slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java grippers") or ("cong hoc phi slippery"))) or ("locating bug code snippets"))*.