Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan cho xe snippets" » "han cho xe snippets", "nhan nho xe snippets", "chan cho xe snippets", "nhan cho he snippets", "nhan cho xa 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 cho xe 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 cho xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan cho xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan cho xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.