Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat nu doc snippets" » "chat nhua doc snippets", "nhat ngu doc snippets", "chat huu doc snippets", "chat n1 doc snippets", "chat n2 doc snippets", "chat n3 doc 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: (((("chat nu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chat nu doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat nu doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat nu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.