Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh su cu snippets" » "dang su cu snippets", "dan su cu snippets", "danh tu cu snippets", "danh su cua snippets", "danh su tu snippets", "danh su co 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: (((("danh su cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh su cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh su cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh su cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.