Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung khi cac snippets" » "duong khi cac snippets", "dung chi cac snippets", "dung thi cac snippets", "dung khai cac snippets", "dung khi sac snippets", "dung khi cham 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 khi cac 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 khi cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung khi cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung khi cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.