Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc cua dan slippers" » "hoc cua dan slippers", "doi cua dan slippers", "do cua dan slippers", "doc cua dang slippers", "doc cua ban slippers", "doc ca dan slippers", "doc cua dan slippery", "doc cua dan 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: (((("python using java snippets") OR ("doc cua dan slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doc cua dan slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doc cua dan slippers"))) or ("locating bug code snippets"))*.