Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi do duc slippers" » "doi bo duc slippers", "doi co duc slippers", "doi de duc slippers", "doi dao duc slippers", "doi do duy slippers", "doi do duc slippery", "doi do duc 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 ("doi do duc slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi do duc slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi do duc slippers"))) or ("locating bug code snippets"))*.