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 grippers"
"dan hoi nhap slippery" » "dan hoi dap slippery", "dan moi nhat slippery", "dan hoc nhap slippery", "dai hoi nhap slippery", "van hoi nhap slippery"

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

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