Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tue va cao snippets" » "thue va cao snippets", "te va cao snippets", "que va cao snippets", "tue va cac snippets", "tue va co snippets", "tue va dao 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: (((("tue va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tue va cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tue va cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tue va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.