Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets", "python using raw slippers"
"dan cao code snippets" » "dan cao cong snippets", "dan cao de snippets", "dan cfd code snippets", "dan ca code snippets", "dam cao code snippets", "dan bao code snippets", "dan cao code slippers"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dan cao code snippets") or ("python using raw snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan cao code snippets") OR ("python using raw snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dan cao code snippets ) or ( python using raw snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan cao code snippets") or ("python using raw snippets"))) or ("locating bugs code snippets"))*.