Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"loc tinh dan snippets" » "hoi tinh dan snippets", "hoa tinh dan snippets", "o tinh dan snippets", "loc trinh dan snippets", "loc tinh da snippets", "loc binh dan snippets", "loc tinh 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: (((("loc tinh 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: (((("loc tinh dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loc tinh dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loc tinh dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.