Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao dan tu slippers" » "cao dang tu slippers", "cao danh tu slippers", "cac dan tu slippers", "cao dan su slippers", "cao ban tu slippers", "cao dan tu slippery", "cao dan 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: (((("cao dan 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: (((("cao dan tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao dan tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao dan tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.