Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"p trinh do grippers" » "p trinh soft grippers", "p trinh ky grippers", "n trinh do grippers", "lap trinh do grippers", "co trinh do grippers"
"python using java slippery" » "python using data slippery", "python using java 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: (((("p trinh do grippers") OR ("python using java slippery"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( p trinh do grippers ) or ( python using java slippery ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("p trinh do grippers") or ("python using java slippery"))) or ("locating bug core snippets"))*.