Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"buoc van duc snippets" » "buoc ban duc snippets", "buoc vao duc snippets", "luoc van duc snippets", "buoc van duy snippets", "buoc van du snippets", "buoc tran duc snippets", "buoc 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: (((("buoc 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: (((("buoc van duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( buoc van duc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("buoc van duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.