Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tinh duc cac snippets" » "minh duc cac snippets", "dinh duc cac snippets", "ninh duc cac snippets", "tinh duoc cac snippets", "tinh tuc cac snippets", "tinh muc cac 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: (((("tinh duc 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: (((("tinh duc cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh duc cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh duc cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.