Perhaps you should try some spelling variations:
"hang rok code snippets" » "hang hoa code snippets", "hang ton code snippets", "hang rok core snippets", "hang rok code slippers"
"dung va code snippets" » "dung va core snippets", "dung va code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("hang rok code snippets") or ("dung va code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang rok code snippets") OR ("dung va code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang rok code snippets ) or ( dung va code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang rok code snippets") or ("dung va code snippets"))) or ("locating bug code snippets"))*.