Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len cong dan slippers" » "den cong dan slippers", "le cong dan slippers", "len con dan slippers", "len cong san slippers", "len cong tan slippers", "len huong dan slippers", "len cong dan slippery", "len cong 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: (((("len cong 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: (((("len cong dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len cong dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len cong dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.