Perhaps you should try some spelling variations:
"dung hoi phan snippets" » "duong hoi phan snippets", "dung hoai phan snippets", "dung thoi phan snippets", "dung phoi phan snippets", "dung hoc phan snippets", "dung hoa phan snippets", "dung hoi phan slippers"
"using _ code snippets" » "using _ code slippers"
"locating bug code 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: (((("using _ code snippets") or ("dung hoi phan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using _ code snippets") OR ("dung hoi phan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using _ code snippets ) or ( dung hoi phan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using _ code snippets") or ("dung hoi phan snippets"))) or ("locating bug code snippets"))*.