Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java grippers" » "python using data grippers", "python using java slippers"
"web voi tran slippery" » "web voi thanh slippery", "web voi trong slippery", "web hoi trac slippery", "web voi tran 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 ("web voi tran slippery"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java grippers") OR ("web voi tran slippery"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java grippers ) or ( web voi tran slippery ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java grippers") or ("web voi tran slippery"))) or ("locating bug core snippets"))*.