Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"n trinh sat slippers" » "n trinh san slippers", "n trinh sau slippers", "n trinh sai slippers", "p trinh sat slippers", "anh trinh sat slippers", "dan trinh sat slippers", "n trinh sat 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 sat 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 sat slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( n trinh sat slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("n trinh sat slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.