Perhaps you should try some spelling variations:
"dung vienc code snippets" » "dung viec code snippets", "dung vien code snippets", "duong vien code snippets"
"cong viet code snippets" » "cong viec code snippets", "thong viet code snippets", "nang viet code snippets", "cong viet co snippets", "cong viet some snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

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