Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery", "python using java slippers"
"vi tinh cau grippers" » "vi trinh cau grippers", "vi tinh cao grippers", "vi sinh cau grippers", "va tinh cau grippers", "vi tinh cau slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code 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 ("vi tinh cau grippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java slippery ) or ( vi tinh cau grippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippery") or ("vi tinh cau grippers"))) or ("locating bug code snippets"))*.