Perhaps you should try some spelling variations:
"dung dung co snippets" » "duong dung co snippets", "ung dung co snippets", "dung ung co snippets", "dung dung cho snippets", "dung dung cong snippets", "dung dung cua snippets"
"phan mo code snippets" » "phap mo code snippets", "phan bo code snippets", "phan co code snippets", "phan mo core snippets"
"locating bug code snippets" » "locating bug core snippets", "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: (((("phan mo code snippets") or ("dung dung co snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan mo code snippets") OR ("dung dung co snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan mo code snippets ) or ( dung dung co snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan mo code snippets") or ("dung dung co snippets"))) or ("locating bug code snippets"))*.