Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh nam de snippets" » "thanh nam de snippets", "hanh lam de snippets", "hanh ngay de snippets", "hanh nam da snippets", "hanh nam do snippets", "hanh 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: (((("hanh 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: (((("hanh nam de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh nam de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh nam de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.