Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong cac xa slippers" » "cuong cac xa slippers", "cong tac xa slippers", "cong cau xa slippers", "cong cac ba slippers", "cong cac xe slippers", "cong cac xa slippery", "cong cac xa grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cong cac xa 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 cac xa slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cac xa slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cac xa slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.