Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"huu hai van snippets" » "huu han van snippets", "huu tai van snippets", "huu hanh van snippets", "huu thai van snippets", "huu ha van snippets", "huu hai tan snippets", "huu hai van 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: (((("huu hai van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu hai van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu hai van snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu hai van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.