Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau dan cach snippets" » "cau dan cac snippets", "cau dan canh snippets", "cau nhan cach snippets", "cau danh cach snippets", "cac dan cach snippets", "ca dan cach 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 dan cach 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 dan cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau dan cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau dan cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.