Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery", "python using java slippers"
"de vat trong grippers" » "de viet trong grippers", "de dot trong grippers", "de cay trong grippers", "de dat trong grippers", "de van trong grippers", "de bat trong grippers", "de vat trong slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code slippers"

You may be able to get more results by adjusting your search query.

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