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