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