Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung khu cong snippets" » "dung phu cong snippets", "dung thu cong snippets", "dung khi cong snippets", "dung thi cong snippets", "dung cuu cong 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 khu cong 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 khu cong snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung khu cong snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung khu cong snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.