Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan bi ca snippets" » "phan bi ca snippets", "than bi ca snippets", "nhan biet ca snippets", "nhan bai ca snippets", "nhan li ca snippets", "nhan bi va 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 bi ca 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 bi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan bi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan bi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.