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

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