Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung lai cach snippets" » "dung tai cach snippets", "dung lam cach snippets", "dung sai cach snippets", "dung loi cach snippets", "dung cai cach snippets", "dung lai sach 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 lai 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 lai cach snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lai cach snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lai cach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.