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