Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu do cong snippets" » "cuu doi cong snippets", "cuu do hong snippets", "cuu bo cong snippets", "cuu dao cong snippets", "cau do cong snippets", "cuu de 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: (((("cuu do 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: (((("cuu do cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu do cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu do cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.