Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc cau vai slippers" » "hoc cao vai slippers", "hoc cac vai slippers", "hoc can vai slippers", "hoc cau va slippers", "hoc cau hai slippers", "hoc cau van slippers", "hoc cau vai slippery", "hoc cau vai grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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