Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"anh dung con snippets" » "anh dong con snippets", "anh huong con snippets", "sach dung con snippets", "anh dung cong snippets", "anh dung von snippets", "anh dung co 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: (((("anh dung con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh dung con snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh dung con snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh dung con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.