Perhaps you should try some spelling variations:
"python using java grippers" » "python using data grippers", "python using java slippers"
"tang cua nm slippery" » "mang cua nm slippery", "hang cua nm slippery", "tang luan nm slippery", "tang cua nam slippery", "tang cua am slippery", "tang cua niem slippery", "tang cua nm 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java grippers") OR ("tang cua nm slippery"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java grippers ) or ( tang cua nm slippery ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java grippers") or ("tang cua nm slippery"))) or ("locating bug code snippets"))*.