Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"pha cac chat snippets" » "pha cao chat snippets", "pha cac thuat snippets", "pha cac nha snippets", "phan cac chat snippets", "phap cac chat snippets", "pha cau chat 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: (((("pha cac chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha cac chat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha cac chat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha cac chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.