Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuc vien da snippets" » "chuc vien da snippets", "cua vien da snippets", "cuc dien da snippets", "cuc vien dai snippets", "cuc hien dai 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: (((("cuc vien da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuc vien da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuc vien da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuc vien da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.