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