Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"noi van hung snippets" » "noi van dung snippets", "noi manh hung snippets", "noi van duong snippets", "noi va hung snippets", "doi van hung snippets", "moi van hung snippets", "noi van hung 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: (((("noi van hung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi van hung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi van hung snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi van hung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.