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