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