Perhaps you should try some spelling variations:
"nccnhung cau do snippets" » "nhung cau do snippets"
"chuong v code snippets" » "cuong v code snippets", "thuong va code snippets", "chuong my code snippets", "chuong v core snippets"
"locating bug code snippets" » "locating bug core snippets", "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: (((("nccnhung cau do snippets") or ("chuong v code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nccnhung cau do snippets") OR ("chuong v code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nccnhung cau do snippets ) or ( chuong v code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nccnhung cau do snippets") or ("chuong v code snippets"))) or ("locating bug code snippets"))*.