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