Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan nho chi snippets" » "nhan khoa chi snippets", "nhan nghe chi snippets", "nhan tao chi snippets", "nhan ho chi snippets", "nhan nuoc chi snippets", "nhan thon chi 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 nho chi 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 nho chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan nho chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan nho chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.