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