Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"jun yan xu snippets" » "jun fan xu snippets", "jun yin xu snippets", "juan yang xu snippets", "jun yang xu snippets", "jun ban xu snippets", "jun han xu snippets", "jun yan xu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 snippets") or ("jun yan xu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("jun yan xu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( jun yan xu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("jun yan xu snippets"))) or ("locating bug code snippets"))*.