Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung nen mo snippets" » "dung nhan mo snippets", "dung ngan mo snippets", "dung tren mo snippets", "dung nen mot snippets", "dung yen mo snippets", "dung nen co 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 nen mo 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 nen mo snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nen mo snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nen mo snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.