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