Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung bao co snippets" » "vung bao co snippets", "dong bao co snippets", "dung bai co snippets", "dung bao cao snippets", "dung ban co snippets", "dung bao ho 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 bao co 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 bao co snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung bao co snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung bao co snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.