Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"n trinh tai slippers" » "n trinh toan slippers", "n trinh tu slippers", "n trinh han slippers", "p trinh tai slippers", "anh trinh tai slippers", "dan trinh tai slippers", "n trinh tai 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("n trinh tai slippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("n trinh tai slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( n trinh tai slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("n trinh tai slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.