Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java slippery" » "python using data slippery", "python using java slippers"
"p trinh cad grippers" » "p trinh cau grippers", "p trinh cac grippers", "p trinh cam grippers", "n trinh cad grippers", "lap trinh cad grippers", "co trinh cad grippers", "p trinh cad slippers"

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

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