Perhaps you should try some spelling variations:
"dang hung chou snippets" » "dang quang chou snippets", "manh hung chou snippets", "dang cong chou snippets", "dang chung chou snippets", "dang hung chu snippets", "dang dung cho snippets"
"dung java java snippets" » "dung va java 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: (((("dang hung chou snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang hung chou snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang hung chou snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang hung chou snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.