Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung va de snippets" » "nhung van de snippets", "nhung ba de snippets", "nhung ca de snippets", "nhung va do snippets", "nhung va le 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: (((("nhung va 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: (((("nhung va de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung va de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung va de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.