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