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