Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"chung cu chat snippets" » "chung cuu chat snippets", "chung cu cat snippets", "chung du chat snippets", "nhung cu chat snippets", "cung cu 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: (((("chung cu 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: (((("chung cu chat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung cu chat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung cu chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.