Perhaps you should try some spelling variations:
"tran hoang code snippets" » "quan hoang code snippets", "tran quang code snippets", "tranh hang code snippets", "tran hoang de snippets", "tran hoang cong snippets", "tran hoang cd snippets", "tran hoang code slippers"
"dung luan code snippets" » "dung luan cong snippets", "dung luan che snippets", "dung luan de snippets", "dung luan code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung luan code snippets") or ("tran hoang code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung luan code snippets") OR ("tran hoang code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung luan code snippets ) or ( tran hoang code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung luan code snippets") or ("tran hoang code snippets"))) or ("locating bug code snippets"))*.