Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"n trinh cong grippers" » "n trinh soft grippers", "n trinh dung grippers", "p trinh cong grippers", "anh trinh cong grippers", "dan trinh cong grippers"
"python using java slippers" » "python using data slippers", "python using java slippery"

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