Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat cho che snippets" » "chat cho che snippets", "nhat co che snippets", "nhat nheo che snippets", "nhat cho chu snippets", "nhat cho he 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: (((("nhat cho che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat cho che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat cho che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat cho che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.