Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat duc con snippets" » "chat xuc con snippets", "chat doc con snippets", "chet duoc con snippets", "chat duc cong snippets", "chat duc ton snippets", "chat duc cuong 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 duc con 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 duc con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat duc con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat duc con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.