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