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