Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung chi hoat snippets" » "dung cho hoat snippets", "dung thi hoat snippets", "dung chien hoat snippets", "dung che hoat snippets", "dung chi hoa snippets", "dung phi hoat 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 chi hoat 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 chi hoat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung chi hoat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung chi hoat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.