Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho ke do snippets" » "cho he do snippets", "cho ky do snippets", "cho xe do snippets", "cho ke o snippets", "cho ke co snippets", "cho ke mo 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 ke do 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 ke do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho ke do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho ke do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.