Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java slippers" » "python using data slippers", "python using java grippers"
"den tran van slippery" » "den tuan van slippery", "den thanh van slippery", "dang tran van slippery", "den luan van slippery"

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 slippers") 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 slippers") OR ("den tran van slippery"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( den tran van slippery ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("den tran van slippery"))) or ("locating bug core snippets"))*.