Perhaps you should try some spelling variations:
"cong viet code snippets" » "cong viec code snippets", "thong viet code snippets", "nang viet code snippets", "cong viet co snippets", "cong viet some snippets", "cong viet code slippers"
"dung chi code snippets" » "dung cho code snippets", "dung thi code snippets", "dung chien code snippets", "dung cfd code snippets", "dung chi con snippets", "dung chi cong snippets", "dung chi 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 chi code snippets") or ("cong viet code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung chi code snippets") OR ("cong viet code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung chi code snippets ) or ( cong viet code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung chi code snippets") or ("cong viet code snippets"))) or ("locating bug code snippets"))*.