Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho cao lon snippets" » "cho cac lon snippets", "cho dao lon snippets", "cho can lon snippets", "cho cao lan snippets", "cho cho lon snippets", "cho cao son 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 cao lon 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 cao lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho cao lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho cao lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.