Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho xu con snippets" » "chao xu con snippets", "choi xu con snippets", "cho xa con snippets", "cho xu co snippets", "cho xu son snippets", "cho du con 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 xu con 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 xu con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho xu con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho xu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.