Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"hoi van chat snippets" » "hoi cao chat snippets", "hoi va chat snippets", "hoi dan chat snippets", "hai van chat snippets"
"locating bug code 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: (((("python using code snippets") or ("hoi van chat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using code snippets") OR ("hoi van chat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using code snippets ) or ( hoi van chat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using code snippets") or ("hoi van chat snippets"))) or ("locating bug code snippets"))*.