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"
"toan ban 3 grippers" » "van ban 3 grippers", "toan ban _ grippers", "toan ban 1 grippers", "toan ban 2 grippers", "toan ban 3 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: (((("python using java slippery") OR ("toan ban 3 grippers"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java slippery ) or ( toan ban 3 grippers ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippery") or ("toan ban 3 grippers"))) or ("locating bug core snippets"))*.