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 chu duoc slippery" » "van chua duoc slippery", "van che duoc slippery", "van cuu duoc slippery", "van chi duoc slippery", "van phu duoc slippery", "van cau duoc slippery", "van chu 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.

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