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