Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tri hoai snippets" » "dung tai hoai snippets", "dung tren hoai snippets", "nhung tri hoai snippets", "dung thi hoai snippets", "dung tri hoan snippets", "dung tri hai 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 java java snippets") or ("dung tri hoai snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung tri hoai snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung tri hoai snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung tri hoai snippets"))) or ("locating bug code snippets"))*.