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

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 cong slippers") 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 cong slippers") OR ("python using java slippery"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( p trinh cong slippers ) or ( python using java slippery ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("p trinh cong slippers") or ("python using java slippery"))) or ("locating bug core snippets"))*.