Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap nen da snippets" » "phap gen da snippets", "phap nang da snippets", "phap lenh da snippets", "phap nen dat snippets", "phap nen dan snippets", "phap nen va 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: (((("phap nen da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap nen da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap nen da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap nen da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.