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