Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery", "python using java slippers"
"hap ngan danh slices" » "hap ngan hang slices", "hap ngan sach slices", "hap nhan dan slices", "nhap nhan danh slices", "lap nganh danh slices", "tai ngan danh slices"
"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 ("hap ngan danh slices"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java slippery ) or ( hap ngan danh slices ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippery") or ("hap ngan danh slices"))) or ("locating bug code snippets"))*.