Perhaps you should try some spelling variations:
"python using java grippers" » "python using data grippers", "python using java slippers"
"p trinh chat slippery" » "p tinh chat slippery", "p trinh luat slippery", "p trinh han slippery", "n trinh chat slippery", "lap trinh chat slippery", "co trinh chat slippery", "p trinh chat 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: (((("p trinh chat slippery") or ("python using java grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("p trinh chat slippery") OR ("python using java grippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( p trinh chat slippery ) or ( python using java grippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("p trinh chat slippery") or ("python using java grippers"))) or ("locating bug code snippets"))*.