Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu nam de snippets" » "tu nam de snippets", "thu nhap de snippets", "thu nhat de snippets", "thu nam da snippets", "thu nam do snippets", "thu nam he snippets"
"locating bug code snippets" » "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: (((("thu nam de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu nam de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu nam de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu nam de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.