Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc sanh dan slippers" » "do sanh dan slippers", "doc hanh dan slippers", "doc sach dan slippers", "doc canh dan slippers", "doc sach danh slippers", "doc sinh danh slippers", "doc sanh dan slippery", "doc sanh 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.

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