Perhaps you should try some spelling variations:
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets", "python using raw slippers"
"van cau duoc grippers" » "van cuu duoc grippers", "van cau duong grippers", "van chua duoc grippers", "van dau duoc grippers", "van hau duoc grippers", "van chat duoc grippers", "van cau duoc slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 raw snippets") or ("van cau duoc grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using raw snippets") OR ("van cau duoc grippers"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( python using raw snippets ) or ( van cau duoc grippers ))) or ( locating bug code snippets ))*.