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"
"den tran van slippery" » "den tuan van slippery", "den thanh van slippery", "dang tran van slippery", "den luan van slippery", "den tran van 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 ("den tran van slippery"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java grippers") OR ("den tran van slippery"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java grippers ) or ( den tran van slippery ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java grippers") or ("den tran van slippery"))) or ("locating bug core snippets"))*.