Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho sua case snippets" » "cho sea case snippets", "cho a case snippets", "cho eu case snippets", "cho qua case snippets", "cho sara case 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 sua case 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 sua case snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho sua case snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho sua case snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.