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