Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java grippers"
"p trinh tai slippery" » "p trinh toan slippery", "p trinh tu slippery", "p trinh han slippery", "n trinh tai slippery", "lap trinh tai slippery", "co trinh tai slippery"
"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 java slippers") OR ("p trinh tai slippery"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( p trinh tai slippery ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("p trinh tai slippery"))) or ("locating bug code snippets"))*.