Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java slippers" » "python using data slippers", "python using java slippery"
"da tao zhang grippers" » "da tao khoang grippers", "da tao nhan grippers", "dao tao zhang grippers", "de tao zhang grippers", "da bao zhang grippers"

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

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