Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung du can snippets" » "dung de can snippets", "dung cu can snippets", "dung cua can snippets", "dung duy can snippets", "dung su can snippets", "dung tu can 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 du can snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung du can snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung du can snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung du can snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.