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 danh slippery" » "van cao danh slippery", "van chuc danh slippery", "van nam danh slippery", "van dau danh slippery", "van hau danh slippery", "van chat danh slippery", "van cau danh 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using raw snippets") OR ("van cau danh slippery"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using raw snippets ) or ( van cau danh slippery ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using raw snippets") or ("van cau danh slippery"))) or ("locating bug code snippets"))*.