Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong tin su slippers" » "cong tinh su slippers", "cong tan su slippers", "dong tin su slippers", "cong tien su slippers", "cong tin so slippers", "cong tin su slippery", "cong tin su 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: (((("cong tin su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong tin su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong tin su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tin su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.