Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"mang may co snippets" » "mang cay co snippets", "mang tay co snippets", "mang lay co snippets", "nang may co snippets", "dang may co snippets", "bang may 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: (((("mang may co snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mang may co snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mang may co snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mang may co snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.