Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau tu doc snippets" » "dau tu doc snippets", "cau truc doc snippets", "cau tu duoc snippets", "cau tu hoc snippets", "cau tu do 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 tu doc 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 tu doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau tu doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau tu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.