Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung von chon snippets" » "dong von chon snippets", "dung cong chon snippets", "dung va chon snippets", "dung voi chon snippets", "dung von khoa snippets", "dung van cho 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 von chon 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 von chon snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung von chon snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung von chon snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.