Perhaps you should try some spelling variations:
"python using java grippers" » "python using data grippers", "python using java slippers"
"van hung can slippery" » "van dung can slippery", "manh hung can slippery", "van duong can slippery", "van hung ca slippery", "van hung dan slippery", "van hung tan slippery", "van hung can 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: (((("van hung can slippery") or ("python using java grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van hung can slippery") OR ("python using java grippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van hung can slippery ) or ( python using java grippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van hung can slippery") or ("python using java grippers"))) or ("locating bug code snippets"))*.