Perhaps you should try some spelling variations:
"cao che duoc slippery" » "cao che thuoc slippery", "cao che do slippery", "cao te duoc slippery", "bao che duoc slippery", "cao cho duoc slippery", "co che duoc slippery", "cao che duoc slippers"
"python using a snippets" » "python using a 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using a snippets\") OR (\"cao che duoc slippery\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( python using a snippets ) OR ( cao che duoc slippery ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") OR ("cao che duoc slippery"))) OR ("locating bug code snippets"))*.