Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cong tu slippers" » "doi song tu slippers", "noi cong tu slippers", "moi cong tu slippers", "doi cong ty slippers", "doi cong cu slippers", "doi dong tu slippers", "doi cong tu slippery", "doi cong tu 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doi cong tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi cong tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cong tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cong tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.