Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban than cuc snippets" » "ban thanh cuc snippets", "van thanh cuc snippets", "ban hang cuc snippets", "ban than cua snippets", "ban than cui snippets", "ban than duc 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 than cuc 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 than cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban than cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban than cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.