Perhaps you should try some spelling variations:
"hung tran code snippets" » "huong tran code snippets", "quang tran code snippets", "hung thang code snippets", "hung tran cong snippets"
"dung cong code snippets" » "dung trong code snippets", "dung cong cong snippets", "dung cong co snippets", "dung cong che snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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: (((("hung tran code snippets") or ("dung cong code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hung tran code snippets") OR ("dung cong code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( hung tran code snippets ) or ( dung cong code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("hung tran code snippets") or ("dung cong code snippets"))) or ("locating bug code slippers"))*.