Perhaps you should try some spelling variations:
"dung vung code snippets" » "dung ung code snippets", "dung dung code snippets", "dung hung code snippets", "dung vung co snippets", "dung vung code slippers"
"ban hanh code snippets" » "ban hanh de snippets", "ban hanh cong snippets", "ban hanh cad snippets", "ban hang code snippets", "ban hanh 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: (((("dung vung code snippets") or ("ban hanh code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vung code snippets") OR ("ban hanh code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung vung code snippets ) or ( ban hanh code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vung code snippets") or ("ban hanh code snippets"))) or ("locating bug code snippets"))*.