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