Perhaps you should try some spelling variations:
"dung dung code snippets" » "duong dung code snippets", "ung dung code snippets", "dung ung code snippets", "dung dung cong snippets", "dung dung co snippets", "dung dung de snippets", "dung dung code slippers"
"trong can tranh snippets" » "trong canh tranh snippets", "trong chan tranh snippets", "trong cac tranh snippets", "trong tan tran snippets", "trong van ranh snippets", "trong can tranh 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: (((("dung dung code snippets") or ("trong can tranh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dung code snippets") OR ("trong can tranh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dung code snippets ) or ( trong can tranh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dung code snippets") or ("trong can tranh snippets"))) or ("locating bug code snippets"))*.