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