Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung ben canh snippets" » "dung nen canh snippets", "dung len canh snippets", "dung tren canh snippets", "dung bien canh snippets", "dung lenh canh snippets", "dung vien canh 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 ben canh 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 ben canh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ben canh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ben canh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.