Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan che noi snippets" » "han che noi snippets", "dan cho noi snippets", "dan he noi snippets", "dan ghep noi snippets", "dan nghe noi 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 che 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 che noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan che noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan che noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.