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"
"b trinh cau slippery" » "b trinh chat slippery", "b trinh chao slippery", "b trinh tu slippery", "n trinh cau slippery", "p trinh cau slippery", "co trinh cau slippery"

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