Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sang va da snippets" » "hang va da snippets", "song va da snippets", "sang ma da snippets", "sang va dao snippets", "sang va dau snippets", "sang va dap 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: (((("sang va 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: (((("sang va da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang va da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang va da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.