Perhaps you should try some spelling variations:
"tri chi dan snippets" » "tri choi dan snippets", "tri chi van snippets", "tri thi dan snippets", "tai chi dan snippets", "tri nhi dan snippets", "trien chi dan snippets"
"python using a slippers" » "python using a slippery", "python using a grippers"
"locating bug code snippets" » "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 a slippers") OR ("tri chi dan snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using a slippers ) or ( tri chi dan snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using a slippers") or ("tri chi dan snippets"))) or ("locating bug code snippets"))*.