Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong san du snippets" » "cong san du snippets", "dong bang du snippets", "dong von du snippets", "dong san diu snippets", "dong van du snippets", "dong han du 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: (((("dong san du snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong san du snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong san du snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong san du snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.