Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung may nhe snippets" » "dung va nhe snippets", "dung tai nhe snippets", "mang may nhe snippets", "dung may che snippets", "dung may nha snippets", "dung may nhiet 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 may nhe 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 may nhe snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung may nhe snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung may nhe snippets"))) or ("locating bug code snippets"))*.