Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat co cay snippets" » "nhat cho cay snippets", "nhat so cay snippets", "chat co cay snippets", "nhat co cau snippets", "nhat co may 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 co cay 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 co cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat co cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat co cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.