Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong dau cay snippets" » "cong dan cay snippets", "cong cau cay snippets", "cong da cay snippets", "cong dau xay snippets", "cong dau ngay snippets"
"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 dau cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong dau cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong dau cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dau cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.