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