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