Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho dai cac snippets" » "cho dao cac snippets", "co dai cac snippets", "cho doi cac snippets", "cho tai cac snippets", "cho dai dac snippets", "cho dai mac 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 dai 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: (((("cho dai cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho dai cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho dai cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.