Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"leon yang xu snippets" » "leon lang xu snippets", "leon yan xu snippets", "leon yang yu snippets", "lon yang xu snippets", "len yang xu snippets", "luon yang xu snippets", "leon yang 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: (((("leon yang xu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("leon yang xu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( leon yang xu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("leon yang xu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.