Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ba thuan doc snippets" » "ba than doc snippets", "ba thuat doc snippets", "ba thuat duoc snippets", "nam thuan doc snippets", "van thuan doc snippets", "tao thuan doc 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: (((("ba thuan 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: (((("ba thuan doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ba thuan doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ba thuan doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.