Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"men van duc snippets" » "menh van duc snippets", "nen van duc snippets", "men gan duc snippets", "men van duy snippets", "men van du snippets", "men tran duc snippets", "men van duc slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("men van duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("men van duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men van duc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men van duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.