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