Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung nha chao snippets" » "dung nhan chao snippets", "dung ha chao snippets", "dung khoa chao snippets", "dung nha cao snippets", "dung chao chao snippets", "dung nham cheo 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 nha chao 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 nha chao snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nha chao snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nha chao snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.