Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"low van dan snippets" » "lo van dan snippets", "long van dan snippets", "loai van dan snippets", "low van ban snippets", "low ban dan snippets", "low van dao snippets", "low van dan 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: (((("low van dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("low van dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( low van dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("low van dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.