Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung hoc chuc snippets" » "dong hoc chuc snippets", "dung thuoc chuc snippets", "trung hoc chuc snippets", "dung hoc thuc snippets", "dung hoi chuc snippets", "dung hoc chu 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 hoc chuc 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 hoc chuc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung hoc chuc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hoc chuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.