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