Perhaps you should try some spelling variations:
"lan dung code snippets" » "lan dung cong snippets", "lan dung co snippets", "lan dung de snippets", "van dung code snippets", "dan dung code snippets", "lan hung code snippets", "lan dung code slippers"
"trong cac code snippets" » "trong cac cong snippets", "trong cac co snippets", "trong cac che snippets", "trong cac 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: (((("lan dung code snippets") or ("trong cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan dung code snippets") OR ("trong cac code snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( lan dung code snippets ) or ( trong cac code snippets ))) or ( locating bug code snippets ))*.