Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tung dam cao snippets" » "trung dam cao snippets", "tung dan cao snippets", "tong dam cao snippets", "tung dam bao snippets", "tung nam cao snippets", "tung dam rao 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: (((("tung dam cao snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tung dam cao snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung dam cao snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung dam cao snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.